Envelopes

The first form of communication between companies often comes in the form of a letter, and therefore the envelope you use is vital in portraying your company’s image, along with its stationery. Envelopes come in all manner of sizes, styles, thicknesses and colours. The most common envelope sizes are; C4, C5, C6 and DL and these correspond with the most common stationery sizes which are A4, A5, A6 and compliment slip size.

Envelopes come in several different sizes like stationery. Here is a small guide to help you work our what envelope you want to fit your stationery.

Envelope and stationery sizes

Envelope type	Sizing Guide	Extra information
DL Envelopes		DL envelopes hold an A4 sheet folded twice; into 3 parts. This is the most common size of envelope; with most offices sending out their branded stationery in this size letter. Whilst this is the most popular size it does involve folding your stationery in three whilst some people may prefer not to do this so may well be better off with the C4 or C5 sizes. Royal Mail - Price Bands This size envlope is classed as a small letter if... It's under 100g It's under 5mm thick The costs for a small letter are 32p First Class and 23p Second Class. If it's thicker or heavier please refer to the large letter guide below.
C6 Envelopes		C6 envelopes hold an A4 sheet folded twice in quarters or an A5 sheet folded in half. Royal Mail - Price Bands This size envlope is classed as a small letter if... It's under 100g It's under 5mm thick The costs for a small letter are 32p First Class and 23p Second Class. If it's thicker or heavier please refer to the large letter guide below.
C5 Envelopes		C5 envelopes hold an A4 sheet folded once down the middle, or an unfolded A5 sheet. This is a more common envelope that the C4 and more common for sending letters and branded stationery. Royal Mail - Price Bands This size envlope is classed as a small letter if... It's under 100g It's under 5mm thick The costs for a small letter are 32p First Class and 23p Second Class. If it's thicker or heavier please refer to the large letter guide below.
C4 Envelopes		C4 envelopes hold an A4 sheet unfolded. C4 envelopes are just slightly bigger than an A4 piece of paper or stationery, enabling them to carry a brochure or catalogue. Royal Mail - Price Band - Large Letter This size envelope is classed as a large letter. As long as the dimensions aren't any larger than a C4 envelope the cost depends on the envelopes weight. The costs are as follows... Up to 100g          44p 101g - 250g        65p 251g - 500g        90p 500g - 750g        £1.31 751g - 1Kg         £2.70 1Kg - 1.25Kg      £4.74 Over 1.25Kg       +85p for each additional 250g (or part thereof)

Styles of envelopes

There are three main styles of envelope; pocket, banker or wallet. Wallet and banker envelopes both open along the longer side, the banker envelope opening with a large ‘V’ shaped flap and the wallet envelope with a shorter, squarer flap. There are four main ways of sealing an envelope: peel and seal envelopes, press seal envelopes, gummed seal envelopes or twin gummed envelopes. With Paperstone’s range of envelopes and stationery you are sure to be able to send out letters to give exactly the look you want for your company.

What are the different sizes in imperial and metric measurement?

• DL = 110x220mm = 4 1/3 x 8 2/3 inches
• C6 = 114x162mm = 4 1/2 x 6 3/8 inches
• C5 = 229x162mm = 9 x 6 3/8 inches
• C4 = 324x229mm = 12 ¾ x 9 inches

The most popular brands of envelope we sell are as follows: Plus Fabric Prestige, New Guardian Heavyweight, New Guardian Medium weight, Plus Fabric Light weight, New Guardian Lightweight.

For help finding the envelopes you want please call our team who will be happy to help you.