JAM PAPER #4 Coin Business Commercial Envelopes - 3 x 4 1/2 - Brown Kraft Manila - Bulk 500/Box Color: Brown Kraft Size: #4 Coin (3 x 4.5 inches) Quantity: 500 envelopes per pack Envelope Features: Made from 24 lb paper, Open End (Catalog) opening, Straight Flap with Gum Closure Great to use to store small items such as coins, jewelry, small parts, cash, gift cards, deposit slips and checks