Quality Park® coin envelopes are the perfect size for the small items you need to contain. Our coin and small parts envelopes hold keys, stamps, coins, seeds, medication, jewelry, charms or any small parts you need to store safely. Made of heavyweight 24 lb brown Kraft stock that's thick and durable enough to hold up to regular home or office wear. These Kraft envelopes are gummed with a moisture-activated adhesive for a strong, durable seal. Stock up on boxes! Highlights: Hold stamps, coins, jewelry, keys and small parts. Built sturdy from 24 lb Kraft. Thick paper provides privacy and durability. Moisture-activated adhesive secures envelope with gummed flap. Creates a firm seal to keep contents safe. Organize keys, coins, gift cards. Stock up for home, office and school. Specifications: Dimensions (Overall): 2.25 inches (L), 3.5 inches (W) Closure Type: Flap, Gummed Flap Package Quantity: 500 Material: Paper