Sold as 1 Roll. Lightweight, clean and flexible. Roll dimensions: 12 inch W x 100 foot L. Transparent air cushioning material. Protect against breakage by cushioning. Offer extra cushioning for important shipments with this Staples roll of packing material. Fill empty space in shipping boxes to prevent items from shifting during transport with this 100-foot bubble roll. The 5/16-inch bubble size of this provides sufficient cushioning, and it's perforated every 12 inches for convenient tearing. Bubble size: 5/16". Dimensions: 12"W x 100'L.