Please read the profile. Double functionality with special fibers and a three-layer structure for sustained water retention! Easy to use! Wet it! Wring it! Shake it! ⭐️Step 1 　Fully absorb water into this product. 　※Warm water is also OK. ⭐️Step 2 　Wring it out until it doesn't drip. ⭐️Step 3 　Shake it. 　The fabric temperature will drop in a few seconds, and it will become cold. ⭐️Step 4 　When it stops feeling cool, shake it again to make it cold again. UV Protection: 98% UPF: 50+ Size: 30cm x 80cm Color: Pink Features: Antibacterial and deodorizing, with a stopper #NeckCooler #HeatstrokePrevention #CoolingSensation #Chilly Stored at home. Please refrain from purchasing if you are sensitive to such things.