Modern Outdoor Dining Chair Light Gray Synthetic Wood Slats Powder Coated Aluminum Frame Plastic Base Glides No Assembly Required Max Chair Weight: 331 Overall Product Dimensions: 22'L x 21.5'W x 33'H Seat Dimensions: 18'L x 18.5'W x 17.5'H Armrest Height: 25 - 26'H Backrest Dimensions:.5'L x 18.5'W x 17'H Armrest Height from Seat: 8.5'H Backrest Thickness:.5'H Product Materials: Sitting board 15.5*4.5*.5(4PCS) / backrest 16.5*4.5*.5 (2PCS) / armrest 18*1*.5(2PCS), plastic plates, aluminum paint color, No Assembly Required, Max chair weight 331; cushion density is 24kg/m3