Knaisgni 28℃ Cool Ring Cool Band Neck Cooler Ice Neck Ring Running Instant Cooling Cooling Ring Neck Ring Cooling Cool Refreshing Heatstroke Prevention Cooling Goods Neck Hanging Cool (M size, Panda-Green) 【3 Sizes】M size has an inner diameter of 10cm, a thickness of about 2cm, and an inner circumference of about 34cm. Neck circumference guide 30-37cm 【High-quality material, refreshing and no condensation】This cool neck ring uses the latest "PCM material". General substances increase with the surrounding humidity, but PCM stops at a constant temperature even if the surrounding temperature rises, absorbing heat and maintaining a constant temperature. Also, it does not condense, so it does not wet your clothes during use and feels refreshing. The cool neck ring freezes naturally below 28℃ and is an item that can be used repeatedly anywhere, indoors or outdoors. ⭐Bulk purchase discount ⭐Follow discount ⭐Repeat purchase discount Available! Please feel free to comment! ●Refer to profile! ●Instant purchase welcome♡ ●Free shipping! ◎If there are any problems, please contact us before evaluation. ●Please understand that the item is stored at home and will be shipped in simple packaging. ◎The product has been opened for inspection and photography. Therefore, it is listed as "Like new". ※Please check the actual photos for the condition of the product! #☘Yomemafu's☘ Product List 24-5 1-66