These kraft envelopes make it easy to store small, yet important items with convenience! They're made from 30% post-consumer recycled 24-pound paper. These envelopes offer the perfect way to collect small items such as coins, paperclips and various stationery supplies, money, gift cards, buttons, business cards and more! While these envelopes aren't able to be mailed through USPS, their tiny size allows you to insert into larger envelopes with ease. Each envelope has a square opening, smooth finish, and moisture-activated gum closure to keep inside contents sealed.Details:Simpson kraft3.125" x 3.125"25 envelopesPaper