DL White Gusset String & Washer Envelopes (Qty 100) 220mm x 110mm1 2 day delivery as standard on this product These white gusset string & washer envelopes are DL size 220mm x110mm x 25mm, so fits 1 3 folded A4 paper. Made from high quality 180gsm paper. The string and washer fasten is not just a cool and retro feature, it also means you can re use re seal the envelope, making them good for the planet too! The string & washer envelope has practical uses, such as internal business. It makes a unique impression for