Increased the design of waterproof screw protection. The outside of frame are rust resistant coating.Furniture Material: Steel tubes + Tempered Glass. Armchair Size: 22.64 x 19.49 x 29.53 inch. Coffee table Size: 17.32 x 15 inch. Tea Table Weight Capacity: 50kg. 1 x Coffee table with tempered glass top. Includes all necessary hardware and instructions for a quick assembly. Estimated assembly time is 15-20 minutes.