Pressure relief, positioning, and pain relief for those not at high risk for pressure ulcers. A full 1.25″ lower than the standard Isch-Dish. Greater for sensate users, including stroke and geriatric patients, and for those with chronic sitting pain due to injury or illness. Ideal for hemi-chairs, office chairs, and car seats. Preferred by active users in lightweight wheelchairs. Includes support core protected by Durafilm incontinence-proof coating, machine washable cover, removable Sling-Fill seat base, 2-yr warranty, Height 2.25″, Weight limit 250 lbs.