ZAMST Cool 5 Free 389801 Brand of Volleyball Player Yu Bag, Black, Liters, Size, Basketball, Volleyball, Tennis, Running, Soccer, (Favorite Nishida)

[Five-layer structure provides excellent cooling power] The five-layer structure provides excellent cooling power even in hot environments. *Five layers... ① TPU coated polyester + PVC film ② 5mm thick EVA foam ③ 3mm thick polyethylene foam ④ Polypropylene nonwoven fabric ⑤ Aluminum vapor deposition film + PE cloth [Includes a pocket that can be used with ice packs] By placing an ice pack in the pocket at the top of the bag, cold air flows from top to bottom, keeping things cool efficiently. [Long-lasting cooling power when used in conjunction with ice packs] By using three ice packs (sold separately), four 500ml PET bottles can be kept at 15°C or below for 7 hours in a 30°C environment. [Water and dirt resistant TPU coating] Water and dirt resistant TPU coating. Easy to clean and handle. [2-way carrying design for easy portability] The top handle and strap make it easy to carry.