This medium-sized cushion is easy to use and very helpful. I have one for the back of my car, and I adjust the thickness with towels I don't use, or whatever you like (⌒▽⌒) Colors are refreshing yellow and blue. The zipper is on the side. How about a change of scenery! Velvet-style yellow and blue cushion cover set. - Colors: Yellow, Blue - Material: Velvet-style - Size: Cushion cover Thank you for looking.