Fitness Republic Yoga Block (Yoga Foam Brick) Advantage: Yoga Blocks help stretch and strengthen your body without causing much strain to the other muscles Made Type: With an easy grip, Yoga Blocks are made up of lightweight durable foam (PVC-free) Dimensions: 3"x6"x9" Manufacturer Warranty: Warranty of 12 months Money back guarantee: If you are not 100% satisfied with your purchase