JAM PAPER Plastic Envelopes with Button & String Tie Closure - 4 1/4 x 6 1/4 - Clear - 12/Pack Color: Clear Size: 4.25 x 6.25 inches Quantity: 12 per pack Our smooth plastic envelopes are flexible and feature a button and string closure designed to keep contents inside secure and organized These quality expansion envelopes make it easy to store and organize small to medium size documents like checks, currency, receipts, deposit slips, photos and more