🛋️ Sit Smart, Live Well! Perfect for any seating situation—office, car, or home. Heavy-duty memory foam that withstands the test of time and weight. Washable cover and non-slip bottom for hassle-free use. Experience unparalleled support with a unique cut-out design that cradles your body. Say goodbye to discomfort from sciatica, herniated discs, and more. High density foam support Washable velour cover 18" x 16" x 3.5" size