1. Premium Insulated Lunchbox: Interior equipped with food-grade PEVA lining (BPA FREE) that is soft and easy to clean, heat-welded seams prevent soft liner leaks. MIER lunch bag built-in 8mm EPE foam padding, thicker insulation give a better performance of staying cold or hot than regular cooler bags. It can keep the stuff hot/fresh/cold for 6-8 hours subject to the content and working environments 2. Versatile Lunch Bags for Men Women: and durable design (Only weighs 1.35 lbs.) is convenient to be used as your lunch box for office, work, travel; Leakproof insulated coolers for picnic, camping, hiking, BBQs, beach, park; Or sundry bag for daily use, shopping 3. 15L Cooler: External size: 12"L x 9"W x 9"H; The roomy main compartment can hold up to 24 cans, 1 mesh zipper pocket under flap, 1 front zipper pocket and 2 side mesh pockets for added storage,1 wide rear pocket with hoop and loop closure for quick access. 1 extra top bungee cord system for additional accessories 4. Comfy Lunch Box and Easy to Carry: 1 adjustable and detachable shoulder strap with padding for comfortable carrying. The length of the strap can be adjusted from 27.5 to 52.5 inches, which can meet most needs; 2 handles with hook and loop closure provide more carrying options