This set of 4 black dining chairs delivers enduring durability through a sturdy black metal leg structure engineered to withstand frequent daily use, ensuring reliable and stable support for your family and guests. The high-quality PU backrest and seat cushion paired with metal parts offer a delicate appearance and effortless maintenance, as a simple wipe with a damp cloth and mild detergent keeps them looking pristine. Designed with an ergonomic backrest featuring extension parts on both sides and a maximum length of 17 inches, these chairs effectively protect your waist and provide ample support to relieve fatigue from prolonged sitting. The seat cushion is filled with high-density sponge that is soft, breathable, and conforms to the curve of your buttocks for ultimate comfort during every meal. Adjustable anti-slip feet allow stable placement on wooden flooring, tile, or carpet while adapting to subtle ground unevenness. Each chair stands 37 inches high with a 16.7-inch sitting depth, fitting most standard dining tables. Assembly is straightforward with clear instructions, allowing most people to complete setup in just 15-20 minutes. This convenient set of 4 ships in one package, letting you complete your dining room layout in a single delivery, perfect for both family gatherings and friend get-togethers.