Power Bands | Yoga BrickHigh density EVA Foam Yoga Brick Support, stabilise and align your body with this superior lightweight yoga block. Sit on one to raise your hips for a straighter spine or put four together for a classic shoulder stand support. Features: Made of ultra lightweight non toxic high density EVA foam, washable, non combustible and anti static. Yoga block is the first round foaming technique for its superb density and excellent cushion. Nonslip surface with