Quality Material:This set of headbands is made of metal alloy, stretchable and elastic, not easy to get rust or erosion, and will not hurt your scalp and hair. The hair hoop is approx. 13 cm/ 5.12 inches in diameter and 0.4 cm/ 0.16 inch in width, common size, suitable for most people.The hair hoops are in 6 different styles, all in black color, it can show your fashion easily and fix your hair well. Use-case: the sports headband headwear is suitable for both male and female of most ages and it fit for straight, curl and wavy hair, which makes it a versatile gadget. The metal edge has a protective design that won't cut your ears. Wearing our lightweight hairband likes nothing pressure on your head. non-slip designed, with silica gel cap in the head. Fits for various situations: you can wear these hair bands attending different events, such as wedding ceremony, parties, balls, proms, besides, they are also suitable for daily wearing.