Lightweight, very durable and stackable. Rustproof. Can be used in indoor and outdoor. Warranty: Three year limited residential and one year commercial. Frame made from aluminum. Seat and back made from high density polyethylene synthetic resin wicker and HD polystyrene arm rest. Espresso color. No assembly required. 18 in. Seat Height. 18 in. Seat Depth. 25.5 in. Arm Height. 22 in. W x 23 in. D x 35 in. H (9 lbs.). They are manufactured for commercial use in high traffic areas. This is an excellent choice for your home or your business. Use them for restaurants, weddings or for any gathering. Designed to commercial specifications for resorts, hotels and the discerning homeowner. Patios, restaurants, cafes, weddings or for any gathering. The wicker has been through rigorous laboratory testing including 3000 hours of direct UV exposure.