Contoured Seat Cushion features:

• Unique design evenly distributes body
  weight and encourages proper
  alignment of the pelvis and thighs for
  extended comfort
• Cushions your tailbone, sitting bones,
  and thighs to help alleviate pressure
  points
• Removable front section is easily
  unzipped to allow for use with narrow
  chairs and benches
• Can be used with any ObusForme®
  Backrest Support to create a complete
  and comfortable sitting experience
• Lightweight and portable for use in
  home, office, vehicle, wheelchair
• (L) 15.75”x (W) 3” x (H) 17.5”
  (L) 40.01cm x (W) 7.62cm x (H) 44.45cm