【Product Description】 ・Effectively cools the carotid artery in the neck at a comfortable temperature, making it recommended for heatstroke prevention! ・A neck cooler that freezes naturally below 28°C. ・Maintains the optimal cooling temperature, preventing skin necrosis and frostbite caused by excessive cooling. ・Reusable, making it environmentally and economically friendly! ・Freezing is even faster by putting it in the freezer or soaking it in tap water, making it suitable for sudden outings. ・Even if it melts, it can be frozen again and reused simply by placing it in a cool space with air conditioning! ・There is no risk of the product bursting even if it absorbs heat and becomes liquid. 28°C Natural Freezing Neck Cooler Ice Ring Cool X00155BDRX Neck Ring Neck Cooling Goods Heatstroke Prevention Heatstroke Measures Reusable Cooling Goods Refreshing Ring Long-lasting Mask Wearing Sports Viewing Sports Day Fireworks Display Unisex Heatstroke Prevention! Late Summer Size L Neck Cooler Ice Neck Ring Cool Blue 【Please Note】 ☑️ There may be minor scratches and stains. Please understand before purchasing. ☑️ Colors may appear slightly different from the actual product depending on your display environment. ☑️ There may be slight variations in size and dimensions. ☑️ We inspect the products, but please purchase with understanding. Please refrain from purchasing if you are sensitive to details. ☑️ Returns and refunds are not possible due to the buyer's circumstances. We have plenty of stock! Reusable neck cooler with no chemicals, great value in a set of 40. Individual sales are possible. - Set Quantity: 40 pieces - How to Use: Cool in the refrigerator or freezer - Features: Chemical-free, reusable - Size: Design that fits the neck Thank you for viewing.