Most Comfortable GelMemory Foam Seat Cushion On The Market -TheOrthopedic Car Seat Cushion all-in-one features are unrivaled: Non-slip rubber bottom, built-in handle for easy transport and machine-washable zippered velour cover for easy cleaning. TheCar Seat Cushion is the best gel memory foam seat cushion on the market made of premium quality durable memory foam with cool off gel layer on top for superior comfort.Supports Tailbone and Relieves Pressure - Ergonomically designed seat tailbone cushion provides maximum support and comfort while reducing pressure on the coccyx / tailbone and promotes healthy posture.Provides Lower Back Pain & Sciatica Relief, Great for Office Use, Driving & Traveling - Supports recovery from lower back problems, herniated discs, tailbone injuries, sciatica and other spinal issues. Great for office, home, travel, car seat or wheelchair use. Machine-washable zippered velour cover for easy cleaning and built-in handle for easy transport.Specifications: Unpick and Wash:Removable and Washable Shape:U-Shape Filling:Memory Foam Material:Memory Foam+Gel Color: Black Size:45*35*7cm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.