Natural with comfortable grip . Environmentally friendly bamboo . Strong and stable construction . Can assist the beginner and aid the experienced . Provides support for postures that are otherwise too strong or unattainable . Helps to lengthen stretches and improve alignment . Reduces risk of muscle pulls . No assembly required . 90-Day warranty . 9 in. L x 3 in. W x 6 in. H (0.80 lb.) The attractive Natural Fitness Bamboo Yoga Block allows you to improve your yoga practice while achieving more environmental balance. It is made of bamboo, a sustainable natural resource, and provides strength and stability. Feel good about reducing your eco-footprint while advancing your practice with this block.