The Align yoga strap combines the traditional strap design of the legendary B.K.S Iyengar with unbleached natural cotton webbing and Manduku’s innovative and proprietary sure-secure interlocking buckle to help support and enhance your practice.. Features -. Dimensions: 1.75” x 10\'.. Manduka’s Proprietary Lightweight, yet strong, Zinc Alloy Buckle and improved middle-bar design holds securely and eliminates slippin.. Based on the original design of BKS Iyengar.. 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.. Info & Care -. Manduka’s AligN yoga strap is made from 100% unbleached eco-friendly cotton using AZO, lead and heavy metal-free dyes to protect our workers, our customers, and the environment.