DL Red String & Washer Envelopes (Qty 100) 220mm x 110mm1 2 day delivery as standard on this product These red string & washer envelopes are DL size 220 x110mm, so fits 1 3 folded A4 paper. Made from high quality 160gsm paper. The string and washer fasten is not only quite cool and retro, 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 marketing and