Hugger Mugger Reycled Foam Block, Orchid, 4-Inch x 6-Inch x 9-Inch Dense, hard foam provides reliable support Made from environmentally Conscious EVA foam with recycled polyethylene film, a mulch material used in agriculture Beveled edges are comfortable for supported and restorative poses Dimensions: 9L x 6W x 4H inches/weight: 0.75lbs Very lightweight, great for teachers who carry props to different locations Sturdy Sustainable Recycled foam 4-Inch Width Lightweight, Stable Beveled edges for comfort