This cooling neck wrap is made of nylon, soft, comfortable and lightweight, will not add too much weight to your neck. It is reliable,hard-wearing, and has good water absorption, you can use it for a long time. The size of the them is 5x67cm(1.97x26.38in), the right size can fit your neck, making your neck stays cool in the hot summer. The cooling neck wraps are designed with buttons, and you can adjust the length according to your neck. Soaking the dry wraps in water for 20 minutes, let the particles absorb water and then take it out and dry the surface wetness before using it to achieve a cool effect. The cooling neck wraps can be used indoors and outdoors, such as running, cycling, and playing football, suitable for neck, wrists, head and other places that need to be cool.