Small (24 x 13 x 5 3.5 ) * Lifts heels off the bed for total pressure relief * Off-loads both heels * Prevents formation of pressure sores * Aids in healing existing ulcers * Decreases leg and lower back pain * Elevates legs to relax spine * Convoluted foam surface contours to position and stabilize legs * Low-Shear cover protects against skin-damaging friction * Wipes clean for easy care * Convoluted foam surface contours to position and stabilize legs *