Age Group:Adults Feature:Eco-Friendly Use:Waterproof 1. Material: outer layer: 100% polyester fiber, inner layer: PEVA (polyethylene-vinyl acetate), except for decorative parts. 2. Weight: about 35 g. 3. Size: diameter 27cm, sleeve diameter 11cm. 4. Double-layer design, waterproof and smokeproof, multi-purpose. 5. It is made of high-elastic elastic, which makes you wear comfortable and durable. 6. The fabric is smooth and textured, more comfortable touch experience.