Vive Air Inflatable Seat Cushion - Adjustable Air Pressure Relief Seat, Portable - Waffle Style Tailbone Pad for Back Support, Sciatica, Coccyx Pain - for Car, Office Chair, Wheelchair. VERSATILE, LIGHTWEIGHT AND PORTABLE: Ideal for use in office chairs, vehicle seating, wheelchairs and more, the Vive air seat cushion is sized at 17.5” by 17.5” to comfortably fit most chairs and seats.
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