Quality Park, #7 Coin and Small Parts Envelopes, Gummed, Brown Kraft, 3.5x6.5, 500 per box (50762) DURABLE: Sturdy, coin envelopes, made of Brown Kraft paper FEATURES: 500 Small Coin Envelopes 3.5x6.5, made from Brown Kraft paper, gummed falp makes it perfect for use in the home, office, interoffice, or mailing GUMMED FLAP: Provides users with ease of mind that their contents will stay securely closed within the small coin envelopes. MULTI-PURPOSE: small Brown Kraft envelopes PERFECT for using as coin envelopes, jewelry, small parts, etc. SEED ENVELOPES: Perfect size to package or store seeds