Stable and Nonslip: The bottom of this office seat cushion is equipped with nonslip silicone particles to increase friction, the cushion is not easy to slide. It comes with a carrying handle on the side, making it easy to carry on the go Suitable Size: This office chair cushion measures 46 x 41 x 8 cm / 18.1 x 16.1 x 3.1 inches, which can well cover the entire surface of the seat, suitable for most wheelchairs, office chairs, car seats and dining chairs, etc Effortless to Clean: This wheelchair cushion comes with a removable cover and can be machine or hand washed after use. Note: Do not use hot water for washing, the water temperature should be below 45°C. The memory foam inside does not need to be washed Comfortable Sitting: This raised wheelchair seat cushion is ergonomically designed with ventilation holes, breathable and not stuffy. It features a unique U shaped cutout design that relieves pressure on the legs and tailbone, providing a comfortable sitting experience Soft and Comfortable: This wheelchair seat cushion is made of soft cotton and linen canvas cover and high resilience memory foam, comfortable and effective support, not easy to flatten and sink