The most direct seating solution for those with, or at high risk for pressure ulcers at the ischium or coccyx. Exclusive fit-to-the-user, open pocket design provides pressure elimination and ventilation at the ulcer site. An important complement to any wound treatment, and for long term prevention. Promotes healthy, upright posture by controlling pelvic tilt. Reduces “sacral sitting” that can cause skin breakdown. Includes support core protected by Durafilm incontinence-proof coating, machine washable cover, removable Sling-Fill seat base, 2- year warranty. Height 3.5″, Weight limit for standard models 250 lbs.