Each of our gusseted poly bags are made of 100% virgin Low Density Polyethylene (LDPE) resin that meets FDA/USDA specifications. Side gussets expand easily to fit over bulky or irregular size objects. Tubular construction. Features superior clarity for showing the quality of your products with a durable bottom seal, make these bags the best on the market. All listed gauges are nominal. Can be heat sealed, tied, stapled or taped shut.