MYU adult lunch box insulated lunch bag large cooler tote bag for men, women.Long lasting zipper and best cooler lunch bag. IDEAL SIZE - 11"L x 9.1"H x 7.1"W, This cooler bag has the ideal size of 8 litres and accommodates stacked food storage containers and taller bottles than other bags. DURABLE & HIGH QUALITY - Great insulation capabilities. Will keep food cold or warm for long time. MATERIAL & DESIGN: The outside is made of strong and durable nylon ( 600D Polyester) inside lining is made of exclusive top quality aluminium film + 8mm PE foam padding; Aluminium foil - keeps food in packed state. DURABLE ZIPPER - The zipper is of absolute top quality and will not break for anything LEAK-PROOF and non-toxic FDA-compliant EVA (Ethylene Vinyl Acetate) lining and PE foam insulation prevent leaks while maintaining foods at optimal temperatures. MONEY BACK GUARANTEE: If you are not 100% satisfied, we are happy to give you a refund or exchange, no hassle