Thank you for viewing! ▪️Price negotiations are welcome! ▪️First come, first served! ▪️Initial defect guarantee included ▪️Ships within 48 hours I also sell various types of neck coolers. If you would like to purchase multiple items, I can offer a discount, so please feel free to contact me. Material: Outer TPU (heat resistance -60°～80°F (self-extinguishing)), inner PCM (temperature regulating component). It uses excellent antibacterial and non-toxic material (TPU), so you can use it with peace of mind even if you have sensitive skin, and it can be used repeatedly. [Product Features] Naturally freezes at 24°C. Depending on the temperature environment, this product absorbs and emits heat, freezing and melting simultaneously. Just leave it at room temperature below 24°C. Also, it doesn't make you sweat, so it doesn't get stuffy. It's also very comfortable to wear! How to use: After freezing in the refrigerator, you can use it directly on your skin. Take it out of the refrigerator with ordinary water in it, and when you apply it directly to your skin, you will feel very cold. The ice neck ring is made of a special liquid that touches the skin. [Active in various situations] It is useful for outdoor activities such as fireworks displays, excursions, summer festivals, and sports days, as well as when you want to concentrate on studying for exams, housework, or exercise. I have many other wonderful products for sale! You can get a further discount when you buy multiple items! #Aino's shop Management number: 13-801$$580