This unique cushion swivels 360 degrees to make it easy to get in and out of any car unlike other car cushions. The foam cushion sits on a turntable base so you can swivel sideways to get in or out of the seat without straining your back or hips. Lightweight and portable, yet strong enough to support up to 250 lbs. 15 5/8" diameter, with a removable, washable knit cover in grey. Made in the USA.