Our solid cork yoga blocks provide unparalleled stability and support, allowing you to flow into poses with more confidence. Rounded edges for comfort in gripping and when used as back support. Body kind with no chemicals, latex or PVC’s. Naturally antimicrobial and built to last a lifetime using the highest grade of cork on the market. Yoga Block Guidebook Included: The ultimate guidebook to using yoga blocks. Featuring 46 postures to both challenge and restore your body.