About this item Size: #7 100 Cash envelopes 3-1/26-1/2 inch, and the gummed flap is 1.06" long Kraft Paper: Money envelopes are made of sturdy kraft paper, not easy to wear and tear Easy to Write on: Cash envelopes have enough blank space to write the name or number of the item. It's a nice way to organize and identify Gummed Flap: Cash envelopes are water-glued seals, so when you put small items in envelopes, just wet the seal slightly with water, fold and keep the flap glued 2-3 minutes to seal. Strong-adhesive, easy and security Versatile Use: Everyone can use the cash envelope not only at home but also at office. Use cash envelopes to store cash, stamps, cards, credit card, necklaces, trinkets and keys