Easily send or store receipts, letters, documents, cash, postcards and more with our durable 6"" x 9"" clasp envelopes made from 28lb paper. 6"" x 9"" size is for letter size documents, papers, or other items that can fit inside when folded in half. Also can be used as an envelope when handling money at events. With a metal clasp and gummed seal on the envelope flap, your contents will stay secure whether you are mailing them, or keeping them safe in a file. This 100 pack of clasp envelopes is a highly affordable alternative to more expensive options. Made from 28lb paper, these envelopes resist tearing to keep your contents safe, and are easy to label with any type of writing utensil or printed label sticker. weight: 2.18 pounds.