In box item, Cushion Cover Material: Vinyl, durable, easy-to-clean PVC faux leather, this Barstool Cushion provides 0.8" of padding. The universal square size fits any 11" square top style bar or counter stool. Keep the cushion in place with the integrated magnets on the underside. No installation or hardware is needed, just set the cushion on the chair and it securely attaches with four powerful magnets. The magnets are easy to remove if you want to use the cushions on a non-metal stool.