McKesson Single Layer Sterilization Wrap, 30 x 30 Inch, 1 Box Diagnostic Recording Paper and Film Rocker Board * The new MSHQ MENM375 Rocker Board * The new Thera Band© Rocker and Wobble Boards combine an aggressive anti slip base design with a sensory stimulation surface to offer a new performance level to balance training * The Rocker Board moves forward and backward while the Wobble Board has a rounded bottom that moves in all directions * Both are made from lightweight molded plastic * Rocker Board: 13 1 8 x 14 * * The molded rollers are strong enough to be used by large adults and active children and offer the end user the best bacterial filtration efficiency on the market durability