Thank you for viewing ❤️ ☘️ Brand new, unused item ☘️ Only one available, first come, first served ☘️ Follow-up discount available Please comment "I followed" in the comment section before purchasing. Many other items are also on sale ↓ #Yuko'sBoutique Please take a look! 【Continuously Emitting Cold】The cooling backpack once debuted on "Hirunandesu" and cooling products have evolved as the next-generation summer trend goods. Unlike the short heat drop of cooling spray, the cooling backpack continuously emits cold, so you won't feel stuffy even in summer! 【Naturally freezes below 28°C】Cooling goods are lightweight and do not cause fatigue even after long hours of use! It uses a material with high waterproofness, so the surface is smooth even if it absorbs moisture. It does not condense, so your clothes and neck will not get wet. 【Reusable】Cooling sensation goods Back cooling sheet for backpack, even if you wear a backpack. For measures against stuffiness and heat of the backpack. Just attach it to your backpack and it will make your back comfortable. When the contents become liquid, it freezes naturally below 28 degrees Celsius in the refrigerator, freezer, or ice water, and can be used repeatedly. 【Easy to install】Back cooling pad for school bags, just fasten it in 4 places with fasteners. Easy installation, just adjust the rubber string with an adjuster to fit the width of the shoulder straps. It can be used for various bags such as backpacks, school bags, and tote bags. Recommended for commuting, going to school, shopping, etc. It can be used by adults, men and women, and children. 【Product Features】Backpack cooling pad size: Length 25 cm, Width 22 cm; Product weight: 200g; Material: [Outer] TPU (thermoplastic polyurethane), [Inner] PCM (octadecane) Makes your back cool and comfortable, perfect for backpacks and strollers in the hot season. Yu $$2322