EASY TO USE APPLICATION AREA -- Portable and lightweight, non-slip, flexible swivel base conforms to the seat and stays in place. 360 DEGREE ROTATION -- Rotation 360, easy to get off for elderly children, people with back problems, leg problems to easily get in and out of the car. VERY COMFORTABLE -- Designed for car or chair, helps prevent back and hip strain. Soft, comfortable top. FEATURES -- 360 degree rotating cushion comes with fixed cylindrical sponge stick to prevent the seat belt buckle from rotating while driving; it is convenient for your travel and considered as the car's good partner and the old man's thoughtful cushion. PRODUCT INFORMATION Material: ABS Diameter: about 38 cm/15 inches. Color: black Style: European style Thickness: about 4 cm/1.6 inches in free state Weight: about 260 g Application area: car, home, office, outdoor travel Package content: 1 * Car cushion Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.