Aozora Yoga Wheel 13" with Most Detailed Book Step by Step Guide on How to Do 30+ Poses,! Perfect for Stretching and Improving Backbends BALANCE, STRENGTHEN & STRETCH - This years hottest yoga prop is an amazing tool to assist your practice. Use to add challenge, increase strength, improve balance, open, roll out and unwind. COMFORTABLE THICK PADDING - Extra thick outside padding cushions the spine luxuriously. Made of durable material with beautiful surface texture pattern in black and beautiful aqua. ECO-FRIENDLY COMFORT - Extra Thick TPE foam provides luxurious comfort for your body. Antimicrobial additive helps prevent mold, bacteria and fungi from taking over your wheel. EXTRA STRONG, STURDY & DURABLE - 500 lbs breaking strength. Specialty injection molding process provides unmatched strength and safety. Sturdy, lightweight, and made to last. 13 INCH DIAMETER x 5 INCH WIDTH - The perfect width for rolling between the shoulder blades or under foot. The ideal comfortable size and easy to use for anyone