The AligN yoga strap combines the traditional strap design of the legendary B.K.S Iyengar with unbleached natural cotton webbing and Manduka's innovative and proprietary sure-secure interlocking buckle to help support and enhance your practice. Manduka's Proprietary Lightweight, yet strong, Zinc Alloy Buckle and improved middle-bar design holds securely and eliminates slipping. Provides secure, slip-free support for even the most challenging positions. Made from strong, durable, unbleached cotton webbing with non-AZO dyes. Lightweight, eco-friendly and durable. Hand wash, hang to dry. Dimensions: 10ft x 1.75in, (4.4 cm x 2.4 m or 3.0 m). Material: Cotton Webbing.