About this item Size: #1 Coin Envelopes are 2.25″ x 3.5″, ideal for storing change, coins, seeds, keys and stamps Kraft Paper: 100 pcs small envelopes are made of sturdy kraft paper, not easy to wear and tear Easy to write on: Coin 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: Mini Coin 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 coin envelope not only at home but also at office. Use coin envelopes to store seeds, stamps, coins, change,keys, jewelry, SD memory cards, buttons, pins, screws