Low Priced Bubble Cushion Envelopes Interior Dimensions 4' x 7.5',Exterior Dimensions 4' x 8' Starboxes Pack of 250 bubble out bags with a self-seal 1/2' lip, manufactured with 3/16' polyethylene bubble Lightweight to save money with packing materials while¬supplying total surface protection and cushioning Highly effective at padding and protecting smaller products in transit and storage with its thick air-filled bubbles Bubble bags offer a cost-efficient and time-effective method of packing your products for transit