White envelopes with a window & peel & seal closure. This envelope is size DL, which can hold an A4 sheet folded twice. Box 500 envelopes. Made from high quality 100gsm paper. Window
Size: 39x 93mm. Window position: 19mm in from left, 18mm up. This envelope is a wallet envelope (seals on its long edge). Envelope size 110x 220mm.