Other sizes are available – choose from DL size, which can hold A4 sheets folded twice horizontally, C5 size which can hold A5 sheets or folded A4 sheets, or C4 size, designed for A4 sheets without folding, as well as LL (large letter) size, ideal when you're sending large A4 documents

Postal prices increase with size, so it makes sense to use smaller envelopes whenever you can, using large envelopes when the contents can't be folded

Made from quality 100 gsm white paper

Evenly printed interior keeps your contents confidential

Self-seal glued surfaces last up to 9 months

Ideal for frequent users who mail a lot