Features:1.Non-slip rubber bottom keeps the butt pillow in place even when moving on the seat.2.The machine washable zippered breathable cover is easy to clean, just remove the cover and toss in the washing machine.3.effectively support the coccyx, relieve the hip pressure caused by sitting for long periods.4.Easy to carry.Dimensions: 45cm x 39cm x 5cm / 11cmColor: Gray, WhiteMaterials: Memory Foam Cotton & Mesh Outer Fabric + Non-slip ClothProduction Imcludes:1* Original Daily Cushion Orthopedic Seat Pillow NOTE: 1.Please allow 1-2cm differs due to manual measurement.2.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.