Yogiraj Foam Block is made with a dense, quality and non-toxic EVA Foam for comfort and light experience. Yogiraj Foam Block is a great option for cork and wooden yoga blocks. Foam Block's light material doesn't leave any marks on the floor nor collapses from body weight. Foam Yoga Block offers support for many asanas in three different dimensions. Use under your palms, feet, knees, pelvis and back - great for yoga, pilates and any excercise. Finished edges for comfort and style.