Sanrio Cold Ring Cinnamoroll Tube: TPU, Filling: PCM (Temperature Control - Endothermic Material) Recommended for Ages 3 and Up 603708

Body size: inner width: approx. 10cm, outer width: approx. 15cm, neck circumference: approx. 34cm. Main materials/raw materials: Tube: TPU, Filling material: PCM (temperature control/endothermic material). For countermeasures against the heat while commuting to work or school. If the environment is below 26 degrees, you can use it without putting it in the refrigerator. Since there is no condensation, your clothes will not get wet. Stays cool for about 60 minutes (*varies depending on usage environment). Uses new cooling material [PCM] and can be used repeatedly. Recommended for ages 3 and up *The overall pattern design may vary slightly depending on the product. (C) 2025 SANRIO CO., LTD. Copyright Sanrio Co., Ltd.