Air Cell Wheelchair Cushion 18 x 16 x 2 Rebounder Exerciser Balls Waterproof Style:Right Ear Waterproof Width: 27 * Length: 76 * Head Section: One Section 15 x 27 Raises 45 degrees & lowers 90 degrees * Contoured Face Nose Opening * Center Section: 22 x 27 Raises 30 degrees and has a spring loaded lock that must be released before the section will raise * Foot Section: 39 x 27 Raises 73 degrees * These treatment tables are what put Armedica on the map 18 x 16 x 2 * Proven design for pressure relief and position equalization * Position equalization results from the variable action of individual air cells * Adjustable air pressure provides relief based on user s individual needs * Easy to use air pump is included * Low surface tension reduces friction and skin shear * Low shear fluid proof cloth cover (not shown) protects against incontinence