Hugger Mugger Cork Yoga Block Lighter than coarse-grain cork typically used in other yoga blocks Easy-to-grip, non-slip surface Comfortably contoured edges with sturdy construction Rectangular yoga Block Cork yoga block designed for supported backbends and select standing/sitting poses Fast-growing, renewable cork construction is stable, long lasting, and comfortable Natural texture provides traction; rounded edges create comfortable surface Natural fiber provides no off-gassing; fully sustainable harvesting process Heavy weight for added stability; measures 9 x 5.5 x 3.5 inches (W x H x D)