Is your website secure?

Our website is encrypted with the latest in security technology. All pages accessed on our websites are through https and we are constantly updating our servers so that they are always one step ahead. Here at Ideal Envelopes we take internet security very seriously. We will not compromise your personal details what so ever, that is our promise!
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Can I phone and place my order over the telephone?

No, unfortunately not. As we are a web based company all our offers and prices are exclusive to the website.

If you require any assistance using our website or have any questions regarding any of our products or services please do not hesitate to get in contact with one of our highly trained staff who will be more than happy to assist you.

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What quantities do you sell your products in?

We sell our products in different quantities. With most of our products, the more you purchase the better the rate gets so we've had to list a set quantity breakdown. Our standard breakdown is as follows: 25, 50, 100, 250, 500, 1000, 5000.

If the product in which you are looking at has an option on the right hand side of the product called "Quantity Required", this is the list of quantities in which we sell that product in. When this right hand side drop down menu is altered you will see the price change accordingly.

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How quick will my order take to get to me?

We endeavour to dispatch all our parcels within 1 to 3 working days with our courier, DPD. This is a trackable service which will require a signature upon delivery. Please ensure that there will be someone at your given delivery address to accept and sign for the parcel. No exceptions will be made on this. Contact us for more details.

Your tracking number can be found in your account under 'My orders'. Simply click on the tracking number and you will see the details.

All international parcels are dispatched via our courier, DPD. This is a trackable service which will require a signature upon delivery. Please ensure that there will be someone at your given delivery address to accept and sign for the parcel. No exceptions will be made on this. Contact us for more details. Parcel delivery prices quoted are to a max weight of 30kgs. For any deliveries over this weight Ideal Envelopes/PaperCard will contact the customer to advise of any additional charges.

If you would like to know how long your parcel will take to get to you before you place your order please give us a call or email us with what you require and we will be able to give you an estimate of how long it will take to arrive at your given delivery address.    
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I've just opened my parcel to see I am missing an item. What can I do?

On the odd occasion that this happens, please firstly accept our sincere apologies.
If you can quite simply email us with your order number and state what product/s are missing, we will do our very best to get your products out to you the very next day. We will email you back to confirm that we have received your email.
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I've got a craft business, is there a trade price for your products?

Yes, we have got a trade section to our website. Our website is split into two different sections. Retail section and Trade section.

Firstly you will need to sign up for a trade account online. This can be done by clicking here.

Your details will then be sent to our Applications Team. Once they have reviewed your account details and if everything is alright they will approve your account and send you an email stating what they have done. If there is any problems one of our Accounts team will give you a call to discuss this.

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I keep getting an error message when I try to pay. What should I do?

If you see an error message stating that your credit card is invalid, this has most likely happened for one of the following reasons:

1. You have incorrectly entered your credit card number.
2. You have incorrectly entered your CVV code.
3. You have incorrectly entered your expiration date.
4. You have used a cancelled credit card to place your order.
5. Your card is restricted to point-of-sale transactions only (sales where your card is physically scanned).
You have insufficient funds

Please double-check your credit card and/or with your bank to ensure that none of these problems have occurred. If you realize that you've made a mistake, simply return to the payment option page and enter in the correct information. Continue checking out as normal.

If you're still encountering problems, please contact us. However, at NO point should you ever e-mail us your full credit card number. Your e-mail does not have the same security features in place as our website.

If you wish to reference a specific credit card that you already have on file with us, please reference by the order number.

If you believe that your card is restricted to point-of-sale transactions, you must either contact your bank about removing such restrictions, provide us with a different credit card, or choose a new payment method.
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What would the delivery be to a foreign country?

We have a large selection of international shipping charges listed on our website under our delivery section. If the country you require is not available on this list, please email sales@ideal-envelopes.co.uk for a quote.
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I've just received my parcel and realised that I've ordered the wrong thing. What can I do?

Here at Ideal Envelopes we believe that customer service does not stop once we've got your money. Far from it.
We strive time and time again to make sure that you are 100% satisfied with your order. If not, we will do our utmost to rectify it.

If you have realised that you have ordered the wrong product, simply send it back to us along with a copy of your invoice and a covering letter and we happily refund you the total amount of the goods you have returned. You will then be free to place your order once again, if need be.

Please note: if you are returning products the returned products will need to be in a re-salable condition otherwise we cannot honour the refund. We do not refund postage costs.
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Can I place an order and have it delivered to my client?

Yes, that's no problem. We can send out your parcel to your client under 'Plain Cover'. Plain cover means, that we would send your parcel out to the address provided without any connection relating back to our company.

This gives the impression that you have sent the parcel out from your company.

If you would like us to send your parcel under Plain Cover, firstly place your order and then email us, along with your order number, stating that you wish to have your order sent under plain cover.
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Where can I get an invoice for my order from?

Firstly, thank you for purchasing from us. We really do appreciate it. Downloading an invoice is simple, please follow the few steps below:

1. Log into your account on our website, using your user name and password.
2. At the top of any page on our website, you will see a tab called 'My Account', click on it.
3. Once you are into your account, you will be presented with a few more options. Please click on 'My Orders'.
4. Within this page you will see all your past and present orders you've placed with us, with the ability to download a PDF or Web Invoice.

If you do not see your invoice within your account please do get in contact with us, we are only too willing to help. To get in contact with us, please look in the bottom left hand side of any page on our website.
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What is your returns policy?

At Ideal Envelopes Limited we want you to be delighted every time you shop with us. Occasionally though, we know you may want to return items.

If for any reason you are unhappy with your purchase you can return it to us in its original condition within 10 days of the date you received them (with any seals and shrink-wrap intact) and we will issue a full refund for the price you paid for them. This does not apply to bespoke cut and made items, see details below:-

Please Note:

  • We can only accept opened items if they are faulty.
  • Postage will only be refunded on goods which are faulty.
  • Maximum postage refunds are limited to £6.50 per parcel, which must be agreed in advance before parcels are returned.
  • If you find some/all of your items are faulty/damaged, please make sure you let us know within 7 days of delivery, otherwise this can not be rectified later. No exceptions will be made.
  • Card blanks, cut paper and card including A5 and A3 sizes are a bespoke made and cut for customer orders. These are none refundable and non returnable. You can request a sample before hand to make sure the card or paper is correct for purpose and use. Paper and card is cut to + and - 1 mm tolerance.
  • The onus and responsibility is with the customer to ensure the goods are returned in a proper and resale able condition. Damaged incurred to goods by customers carriers, will be the customer responsibility and no refund will be issued.
  • Items from orders must be returned in full, we can not accept part pack returns.
  • Goods should be returned in suitable and adequate packaging, as to protect the product/goods from the rigors of the postal or carrier system.
  • Items returned in an unfit and un resaleable condition will be disposed of at Ideal Envelopes discretion. Photographic evidence will taken. Ideal Envelopes will not return the damaged or unfit goods.
  • Ideal Envelopes or any of its sister web sites or associated companies will not enter into disputes and claims for damaged goods with customers or third party carriers.
  • Goods to be returned from overseas destinations will be at the customers expense, unless goods are faulty, for this reason we always recommend that customer email and request a quotation for an overseas sample, the sample we will only charge the Royal Mail current postal rate.
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Envelope Manufacturing Tolerances

Normal machinery variances in the envelope manufacturing industry are +/- 2mm. This occurs because as machinery runs, it heats up, and metal expands.

In addition, normal wear in cylinders and bearings can cause subtle variations in cutting location and folding scores. As a result, your envelope may be ever so slightly larger or slightly smaller than you ordered. read more...read more...

What is GSM?

What does GSM mean?

You may have noticed that envelopes are supplied in a range of different GSM. This is also true of paper and card, but what does this mean?

What does GSM mean?

GSM stands for 'Grams Per Square Meter' and means the amount of grams a single sheet of paper weighs measuring 1m x 1m.

Paper that is used to manufacture envelopes generally start at thin 70gsm all the way to up to a much thicker 180gsm paper. A lower gsm paper, such as 30 - 60gsm, would be used for something like newspapers but is much too thin to enclose anything without it becoming torn. Higher GSM envelopes such as 130gsm are much thicker and higher quality which makes them popular for use as wedding invitations. You can see the table below which shows the GSM and common uses.

GSMCommon Uses
70 - 90gsmBusiness Envelopes to enclose letters, thin documents. These envelopes are generally cheap.
90gsm - 100gsmAverage envelope that is used to send through the postal system.
110 - 130gsmPremium envelope that are popular as use for wedding invitations or greetings cards envelopes.
140 - 180gsmThick envelopes that are very sturdy and protect it's contents.

An envelope is the first thing that you see and can help improve deliverability, increase open rates, promote offers and communicate a positive brand image. Simply by using a coloured envelope over a plain white envelope can increase open rates by nine times! You can communicate a positive brand image further by having your brand printed onto an envelope of your choice!

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How to Address an Envelope in the UK

In order to get your letters and mail delivered to the correct address as quickly as possible, you need to ensure you address your envelope in the right format.

Addressing your envelope

  • Left align the name and address of the recipient.
  • Use neat handwriting that is easily readable or if printing the address, use a clear easy to read font (Avoid fancy fonts)
  • Make sure the colour of the address you use is clear. E.g black text on a white envelope, white text on a dark coloured envelope.
  • Leave enough space in between lines
  • Place the correct postage stamp or PPI (Printed Postage Impressions) in the top right-hand corner

Please see below an example of a correctly addressed envelope

How to address an envelope

Return address

Although not a requirement, it is good practice to add a return address to your mail in the event that it doesn't get delivered to the intended address. You can place the return address anywhere on the envelope but it is recommended to place this on the back of the envelope to avoid confusion with the delivery address.

Envelope return address

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Are envelopes recyclable?

Recycled Envelopes

Yes, paper envelopes are recyclable and can be placed in your household recycling bin/box to be collected by your local council. However, envelopes with windows may not be completely recyclable due to the window being made of plastic. Although the plastic isn't able to be recycled, it can now be separated from the envelope easily at the paper mills. Another option would be to manually remove the window yourself.

Can envelopes with bubble wrap be recycled?

Envelopes with bubble wrap such as padded envelopes, jiffy bags or bubble bags cannot be recycled due to them being made of multiple materials (paper, plastic & other materials).

Where to buy recycled envelopes?

You're in the right place. We supply a range of totally recycled envelopes in a whole range of popular sizes and colours.

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Royal Mail Letter Sizes

Here you will find detailed information including sizes and costs for sending standard letters and large letters with Royal Mail.

Royal Mail Size & Weight Guide For Letters

Max Weight Max Length Max Width Max Thickness
Letter 100g 24cm 16.5cm 5mm
Large Letter 750g 35.3cm 25cm 2.5cm


Ideal for mailing greeting cards, regular letters and postcards, the maximum size that would fall under a 'letter' is 165 mm x 240 mm. We would recommend using an envelope no larger than C5 to fit these restrictions comfortably and avoid any excess costs. The envelope and contents must also weigh under 100g.

Recommended envelope sizes

Cost for sending a letter

Service Price
1st Class 67p
2nd Class 58p

Large Letters

For mailing contents such as A4 sized documents, DVDs, certificates, large greeting cards and magazines you would need to send as a large letter. The maximum size is 250 mm x 353 mm and and a maximum weight of 750g so a C4 envelope is a good choice.

Recommended envelope sizes for a large letter

Cost for sending a large letter

Weight 1st Class 2nd Class
up to 100g £1.01 97p
101g to 250g £1.40 £1.26
251g to 500g £1.87 £1.64
501g to 750g £2.60 £2.22

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