保冷バックパック　タモツさん

这是一个适合夏季使用的背包式冷却袋，具有多层结构以保持温度，多个口袋便于收纳，并且防水性能好。

• The description claims that it can maintain cold or warm temperatures for a long time.
• The description claims that it has high waterproofing.
• The description claims that it is designed to keep both hands free.
• The description claims that it includes reflective panels and a bottle opener.