4 Pair Women Non Slip Skid Barre Socks Yoga Pilates Socks with Grips, Falls Prevention Materal: 80% cotton 20% spandex One size, about 9" long; Package include 4 pair yoga socks, color as artwork shown Silicone dots, All grip non slip;Allows you to safely practice, even without a mat Arch bracing provides additional support and custom fit, allows you to safely practice Shaped to fit each of your feet, separate left and right socks provide a more comfortable fit