※ No price reduction. No returns. ※ To prevent product substitution, returns, exchanges, and cancellations are not accepted. Thank you for your understanding. ※ Please refrain from purchasing if you are a minor. ※ Shipping to Hokkaido, Okinawa, and remote islands will be restricted. Manufacturer: SUO Size: Main body, approximately 25cm (height) x 22cm (width) Purchased from the official SUO store ・28℃ ICE is a product that absorbs and releases heat while repeatedly freezing and melting (solid-liquid) depending on the temperature environment. ・It maintains the optimal cooling temperature and prevents skin necrosis and frostbite due to excessive cooling. ・It quickly regulates body temperature and allows for comfortable cooling down. ・It cools faster and lasts longer than water or other coolants. ・It cools down quickly when placed in ice water or cold water. ・There is no risk of bursting even if the product absorbs heat and becomes liquid. ・The cooling effect lasts even with repeated use. ・It is lighter because its specific gravity is about 30% lower than water. [Free Shipping] SUO 28°ICE School Backpack Cool Sheet Cool Backpack Cooling Vest Cool Mat Ice Backpack Cool Pad Cool Backpack Cooling Pad Heatstroke Prevention Cooling