Made of high quality cast aluminum. Triple polished with a powder coated paint and an antique finish. It won't chip flake or scratch. The back of the chair can be adjusted to 4 different positions. Plastic foot levelers included. Cushion is made of sumbrella fabric which is a water repellant material, prevents mildew and it won't fade. Chaise cushion is made of foam with a Dacron wrap. Total thickness 4". .