2"x2" Coin Envelopes - 1,000/box, Pre-gummed Flap, White, Acid Free Net Weight: 1 lb 13 oz Per Box (1,000 pcs /Box) Size (W x L): 2 Color: White, easy write on Weight (Density) of Paper: 27 lbs (100 gsm), acid-and-chemical-free paper. Flap: Pre-gummed flap for easy sealing.