Frozen food bag 1.Three-side seal bag 2.Material:BOPP/PE composited material 3.Used for frozen food 4.Tear notch Food bag, frozen food bag, three-side seal bag, food grade material laminated plastic food bag 1.The material is BOPP/PE.Other material PET ,CPP, PA, AL, and VMPET, VMCPP, CPE, k-BOPP ect are available. 2. The bag type is side gusseted and middle side bag.Other bag type Stand up bag, ...