Our 4 mil clear gusseted poly bags are made in the USA of 100% virgin low-density polyethylene (LDPE) resin that meets FDA/USDA specification. Side gussets expand easily to fit over bulky or irregular size objects. The tubular construction with a durable bottom seal make these bags the best on the market. They feature superior clarity for showing the quality of your products. All listed gauges are nominal and can be heat sealed, tied, stapled or taped shut.