Roho Hi Profile Cushion 28 x18 X4.25 Single Valve Wheelchair Ramps * The rectangular pan is Underpads * The rectangular pan is accessible from both the front and back of commode Plastic life sized articulated adult human skeleton * Arms and legs are removable for individual study * The skull (32 teeth) is dissectible into 3 parts with the mandible on springs * Mounted with a metal rod which extends from the sacrum * Comes complete with a mobile stand zippered dust cover and a skeletal system chart * Dimensions: 72 x 14 x 10 * Weight 42 Lbs * 28 x 18 * Single compartment cushion * 4 air cells provide prevention and healing relief from ischemic ulcers (pressure sores) * Maximizes pressure distribution blood flow and nutrient exchange as well as shock and impact * Conforms to the body s shape and adjusts to body changes over time * Includes cover * 2 year warranty