Quality Park Coin and Small Parts Envelopes are perfect for the little things you need to contain. Our 2-1/4" x 3-1/2" size holds seeds, coins, keys, medications or other small items. Made of durable 24 lb brown kraft paper to ensure contents are secure. Fully gummed flaps provide a strong seal.Coin Envelopes. Gummed closure. 2-1/4" x 3-1/2". 500 Per box.#1 SIZE: Popular 2-1/4" x 3-1/2" size is ideal for multiple uses. Makes great seed packets, jewelry envelopes, and more. PERMANENT CLOSURE: Heavily gummed flaps provide a permanent seal to keep contents secure.24 lb KRAFT CONSTRUCTION: Heavyweight paper helps keep private contents concealed in a crisp, white wove stock.STOCK UP for home, garden or office.