Cool Ring Cold Weather Cooling Ring Ice Pack #Click here for a list of #sayushop products ✨☜ −−−−−−−−−−−−−−−−−−−−− Reusable: This cooling tube liquefies at 28°C or higher and solidifies at 28°C or lower, allowing for repeated use by cooling. Wide range of uses: It can be used in various situations such as golf, fishing, basketball, cycling, hiking, driving, gardening, studying, working, watching sports, outdoor activities, and even at work sites. Usable time is approximately 180 minutes between 30°C and 35°C. ＊Instant purchase welcome・Midnight silent purchase OK◎ ＊Please check the actual photos for the condition of the product. ＊Coupons are distributed in the profile! Cool Ring Cold Weather Cooling Ring Ice Pack Ice Neck Ring Cooling Neck Cooler Heatstroke Prevention Cooling Running Exam Study Ice Pillow Natural Freezing Cold Feeling Neckband (Small, Pink (Gradation)) 5430008