AliMed® Checkerboard T-Foam Wheelchair Cushion offers support and helps protect against pressure sores during prolonged wheelchair use. Soft, contoured individual-cell top layer distributes weight for optimal pressure relief at ischial tuberosities (sitting bones) and the coccyx (tailbone). Self-molding T-Foam base provides medium support that keeps its shape for long-lasting, reliable posture support. Ideal for wheelchair-bound individuals and immobile elderly in wheelchairs. Low-profile 18"W x 16"D x 3"H cushion. 6/cs.