General description Memory Foam Seat Cushion is an orthopedic seat cushion designed for pain relief, suitable for use in cars, office chairs, dining chairs, or wheelchairs. It features a breathable 4D mesh fabric cover and is made from high-density memory foam that offers excellent elasticity and support. Technical specifications Material: High-density memory foam Cover: 4D breathable mesh fabric Dimensions: 48 x 41 cm (18 x 16 inches) Installation Simply place the cushion on your desired seating surface. Usage Provides firm support to relieve pain and pressure from the neck, back, sciatica, tailbone, and legs. Helps correct sitting posture. Non-slip rubber bottom ensures stability on any surface. Other information Cover is machine washable for easy cleaning. Packaging may appear as one large pillow due to vacuum packaging.