Product Name: Ice Silk Cool Mask for Kids (Set of 10) Material: 95% Ice Silk Nylon 5% Spandex Colors: White, Gray, Black, Blue (Please specify your desired color in a message when purchasing.) Size: Approximately 16x11cm Age Range: Suitable for ages 3-12 Features: ● This summer mask features ice silk material that is breathable and doesn't get stuffy even in summer. ● Made with a smooth, thin material with a cooling touch, it stays cool and comfortable even on warm days, preventing heat buildup. ● Thin and lightweight, perfect for the sweaty season! ● The length of the straps can be adjusted for a secure fit to the face. ※ What is Cooling Touch? It's the sensation of feeling cool when touching an object. It's a cooling effect experienced only upon "contact," and the coolness does not last continuously.