Slip resistant finish, a soft and comfortable hand, firm support, radius edges, strength and durability * Over 50% recycled material in every block provides a higher level of recycled material than any other recycled foam block currently in the market * Increases comfort on the wrist in standing poses as wrist can rest more comfortably on the curved edge of the block than a standard flat side * Increases comfort in heart openers and back bends when lying on the ground so the back can rest more comfortably on the block * The iconic contoured design evolves the function of a yoga block while still allowing for the block to be completely stable and user friendly