EASY TO USE SCOPE OF APPLICATION -- Portable and lightweight, non-slip, flexible swivel base adapts to and stays in place. 360 DEGREE ROTATION -- 360 rotation, easy to get out for elderly children, people with back problems, leg discomfort to easily get in and out of the car. VERY COMFORTABLE -- Designed for car or chair, helps prevent strain on back and hip. Soft, comfortable top surface. FEATURES -- 360 degree rotating cushion comes with fixed cylindrical sponge rod to prevent the seat belt buckle from rotating while driving; it is convenient for your trip and is considered 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 under free condition Weight: about 260 g Scope of application: car, home, office, outdoor travel Package contents: 1 * Car cushion Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.