Sleep Number Knee Pillow

Align your back, hips and knees for more comfortable sleep with our knee pillow. Soft, resilient foam cushions knees and legs, and stays comfortably in place through the night. Includes a velvety-soft, pewter-colored microfiber cover. Only used twice, in like new condition! One size: Lx Wx H: 16" x 9.5 × 4.5" Hypoallergenic. Memory foam contains polyurethane. Washing: Remove foam insert, spot clean only. Machine wash cover in warm water with mild detergent on normal or permanent press cycle. Do not bleach. Drying: Cover: Tumble dry low.