Welcome to ours shop! Cotton fabric, soft to the touch and lightweight. Wearing this crochet lazy brimless cap not only helps with poor summer hair, but also naturally fits your head and feels comfortable. One size is the most appropriate. Perimeter: 54-56cm/21-22inch. The natural elasticity of the knitted cotton yarn provides a touch of elasticity, full of texture, rather than rigidity. cotton material Tightening: Cover, Elastic, Foldable Rimless urinal plug stretch 100% Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.