ObboMed SU-2510 Dense Foam Orthopedic Oval Cutout Donut Seat Cushion for Pelvic Pressure, Hemorrhoid, Prostate, Pregnancy, Perineal, Postnatal Tailbone Pain Relief 1 x Oval Donut Seat Cushion 1 x Color Insert Oval shape design help distribute body weight more evenly. Puncture-proof molded foam promote good posture and spine alignment greatly. Allow pain area to have proper blood circulation for effective healing process and prevent from swelling and inflammation. Relieve pressure on coccyx and lower back for prolonged sitting. Alleviate the pain and discomfort associated with hemorrhoids and other anal perineal or other post-surgical conditions. Ergonomically contour to hip shape for maximum comfort. Come with a removable and washable poly-cotton cover for personal hygienic maintenance. Dimensions: 16.2 x 13 x 2.7 inches / 40 x 33 x 7 cm Item Weight: 0.86 lbs / 390 g Max. Weight Capacity: 300 lbs / 135 kg Color: Black with dark blue pattern Material: Polyester cover, polyurethane foam Latex: No