LUXPaper Coin Envelopes, Navy, 2 1/4-Inch x 3 1/2-Inch, 50-Count Size: #1 Coin Envelope 2  in x 3  in / 2.25 x 3.5 / 57.15mm x 88.9mm USES: Holds Small Items: coins, jewelry, stamps, craft supplies, buttons, seeds, extracts, inventory items, small manufacturing parts, small cards, party favors, pins, washers, bolts, nuts, screws, nails and so much more. Applications: storing small items, inventory, crafting, diy projects (do it yourself), party favors, notes, holding small cards Perfect for Holiday Gifts, Presents and so much more!