Overview: Wearable Neck Cooling Ring, Neck Cooler Cooling Ring Neck Cooler, Wearable Cooling Tube Cool Neck Wraps for Extremely Hot Weather Summer Heat, Hands Free Cold Ice Pack Gel for Outdoor Workers, Sports, Relief for Hot Flashes or ??[Summer Fresh Look] Stay cool and stylish this summer with Climafusion neck cooler, featuring three sets of stunning gradient colors of refreshing climafusion Gradient Neck Cooling Ring, Neck Cooling Tube Cooling Starts Below 15C (59F), Reusable Wearable Cooling Neck Wraps for Summer Heat HOW TO FREEZE NECK COOLER? Place Neck Cooling Tube Anywhere Under 64F for a considerable time before use last up 2 hours consistent cold 1. Be ready for a hot summer with innovative materials originally developed for NASA to keep you staying cool. 2. No battery is needed! No charger is needed! 3. The cold holding time varies depending on the external environment. No risks of skin necrosis or frostbite through cooling by maintaining an optimal Stay cool and comfortable in the summer heat with our Neck Cooling Ring Ice Cushion Tube. Designed for #heatstroke prevention, this reusable cooler utilizes ice to provide a cooling effect. With its lightweight and portable design, it's the perfect summer accessory for all your outdoor activities. Overview: 1. Be ready for a hot summer with innovative materials originally developed for NASA to keep you staying cool. 2. No battery is needed! No charger is needed! 3. The cold holding time varies depending on the external environment. No risks of skin necrosis or frostbite through cooling by maintaining an optimal cooling temperature. Product Information: Colors: white, pink, blue, purple, green Size: S, M, L Type/purpose: heatstroke prevention and cooling Product Information: Colors: white, pink, blue, purple, green Size: S, M, L Type/purpose: heatstroke prevention and cooling Packing List: Ice Neck Ring*1