This set will make your outdoors an elegant space to enjoy with family and friends. Chair Dimensions: 18L x 22W x 31H. Chair Seat Dimensions: 16L x 16W x 18H. Meanwhile, these summer chairs are stackable, lightweight, and easy to move around. Resin uses both polypropylenes without fiberglass, which is mold-injected in order to create hard-wearing, recyclable and low-maintenance products.