Make sure your business correspondence has the right image by using the finest quality envelopes. Here you will find our best value envelope packs in a variety of colours and sizes, our most common sizes of envelopes and envelope packs for business are C5 envelopes, C6 envelopes, C7 envelopes and DL envelopes. The C5 envelopes are a popular choice of envelopes as these fit an A4 sheet folded in half, another popular choice in envelopes is our DL envelopes as these are the standard size of envelopes used when an A4 sheet is tri folded. Our envelope packs are sold in packs of 50's and represent excellent value for money.