Our 3 mil clear lay flat poly bags are made of 100% virgin Low Density Polyethylene (LDPE) resin that meets FDA/USDA specifications. The smaller sizes up to 7 x 8″ are imports and inner-packed with 100-pack bundles. Larger sizes are made in the USA. Manufactured with a durable bottom seal for optimal strength, these premium bags 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.