This is a durable, lightweight black cooler bag that looks like a business bag, making it easy to carry cold drinks and other items when traveling by public transport, etc., for indoor and outdoor sports facilities, stadiums, soccer fields, and more. It is also convenient for bringing back souvenirs that require refrigeration when traveling by airplane. Brand: UNPLUGGED Color: Black Size: 340 x 17 x 300 Weight: 800g Capacity: Approx. 12L (Approx. 12 cans of 350ml) Cooling time: 24 hours (For ice, we recommend hard-to-melt ice such as commercially available crushed ice. For ice packs, we recommend high-quality ones.) Materials: ① 600D Polyester ② Thermoplastic Polyurethane ③ Polyester ④ Non-woven fabric sheet ⑤ 30C PEV