(18" x 16" x 3") - Roscoe Medical WCF-183 Foam Wheelchair Cushion, 46cm x 41cm x 7.6cm

Roscoe Medical - WCF-183 Foam Wheelchair Cushion - Waterproof Chair Cushions with Easy Zipper Cover - Comfortable 18" x 16" x 3" Wheelchair Seat Pad - Comfort & Support Guaranteed

AUVON Ventilation Seat Cushion with Innovation Heat Dissipation Design, Anti-bedsore Wheelchair Cushion with Supportive Memory Foam, Waterproof & Anti-slip Cover, Improve Lower Back & Tailbone Comfort

DMI Seat and Chair Cushion for Office Chairs, Wheelchairs, Scooters, Kitchen Chairs or Car Seats, FSA HSA Eligible, for Support and Height while Reducing Stress on Back, Tailbone or Sciatica