100% Acrylic Elastic closure Machine Wash 【100% Acrylic】 Our watch cap is made of soft knitted fabrics, more comfortable and versatile. Good elasticity, suitable for the general population, essential accessories for winter sunrise. 【One Size Fits Most】Length 22cm(8.6 inch) / Width 20cm(7.8 inch), Stretchable Fits Head Circumference 55~59cm (21.6~23 inch). Our premium, soft material stretches to fit all sizes. 【Wide Application】 This watch hat is suitable for daily life and all other activities like party. It is also great for outdoor sports like snowboarding, running, skating, biking, snowshoeing, skiing, hiking.Enjoy your time during autumn and winter.