EASY TO USE APPLICATION AREA -- Portable and lightweight, non-slip, flexible swivel base conforms and stays in place. 360 DEGREE ROTATION -- 360 rotation, easy to get out for older children, those with back problems, leg difficulties to easily get in and out of the car. VERY COMFORTABLE -- Designed for car or chair, helps prevent back and hip strain. Soft, comfortable surface. FEATURES -- 360 degree rotating cushion comes with fixed cylindrical sponge bar to prevent the seat belt buckle from rotating while driving; It is convenient for your travel and is considered the car's good partner and the old man's thoughtful cushion. PRODUCT INFORMATION Material: ABS Diameter: approx 38cm/15in. Color: black Style: European style Thickness: approx 4cm/1.6in under free state Weight: approx 260g Scope of application: 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 measurement allowed error is +/- 1-3 cm.