Features These Extra thick 2mm. Rustproof Powder Coated Aluminum chairs are very durable and stackable. Designed to commercial specifications for resorts hotels and the discerning homeowner. Ideal for indoor or outdoor patios restaurants cafes weddings or for any gathering. Used at restaurants resorts hotels weddings. Sierra Side Chair Frame - Powder Coated Aluminum Seat & Back - Resin Wicker (HDPE) Weave Color - Espresso Dimensions - 18 in. x 22 in. x 35 in.