Marbled Foam Yoga Block 4" Adult Mouthguards explains the anatomy of the

explains the anatomy of the abdominal muscles and how they fire during different core-focused movements

97 illustrations

Full-length front zipper with a snap wind flap

Ultra-lightweight

50% cotton / 50% polyester blend

Marbled Foam Yoga Block 4" Adult Mouthguards explains the anatomy of the4 in. Marbled Foam Blocks add a gray & white Storm pattern to our best selling foam block construction. They help you find perfect alignment and feel great to the touch, all while bringing plenty of fun to your practice. These lightweight but firm props provide reliable support under your hands, feet, torso, or head. Eco friendly EVA foam is long lasting and recyclable. Dense, strong foam provides reliable support Beveled edges are comfortable for