... . 3.good price keep warm bag. 4.good thermal insulation protective,durable bag. thermal bag, isothermal bag, insulated cooler bag, thermo bag ... control with ISO9001:2008 certification, SGS.Features and Specifications:a. material: Poly+EPE+LDPE, 60micron/1.5mm/60micron.b. size: ... PO, PE, OPP, PP, PVC, CPE, PO/PE and composite material, non-woven fabric materials, eco-friendly materials. can provide SGS ...