EASY TO USE, SCOPE OF APPLICATION -- Portable and lightweight, non-slip, flexible swivel base conforms to the seat and stays in place. 360 DEGREE ROTATION -- 360 rotation, easy to get out for the elderly, children and people 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 a fixed cylindrical sponge stick to prevent the seat belt buckle from rotating while driving; it is convenient for your travel and it 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/1.6inch under free condition 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 allowed measurement error is +/- 1-3 cm.