Thank you for viewing! 28℃ Natural Freeze Cool Ring Size: S Color: Khaki 【Keeps you cool in the hot summer】 Usable for approximately 3 hours to 3 hours and 30 minutes between 30℃ and 35℃. Cools quickly when placed in ice water or cold water. 【Reusable by cooling】 This cooling tube liquefies above 28℃ and solidifies below 28℃, and can be reused repeatedly by cooling. 【No condensation, so your clothes won't get wet】 Even if it absorbs heat and turns into a liquid when worn around the neck, it doesn't condense, so it's always dry and comfortable. Also helps prevent heatstroke. ✨️Follow-up discount (100 yen) available✨️ We will offer a discount if you let us know in the comments after following us! ✨️Instant purchase OK✨️ ✨️New and unused✨️ #whitesnow items Neck Ring Ice 28℃ Natural Freeze 2-piece set S size K-172-210-0021 ☆