Features: Constructed of eco-friendly EVA foam, the yoga blocks are lightweight yet sturdy to add optimal support during transitions and poses. Durable foam blocks are moisture-resistant to and nonslip to ensure maximum stability and balance; beveled edges are designed for easy gripping and comfort. 72 inch long strap with metal D ring is adjustable to your desired length, helping you hold the poses and reducing the risk of injuries. Perfect yoga set to deepen your stretches, refine balance, ensure proper alignment during poses.