Polystyrene: POLYDUN outdoor coffee table is made of high-density Polystyrene(Poly Lumber) and marine-grade stainless steel hardware, strong and durable, can withstand all kinds of harsh weather. Durable: Looks and feels like real wood but unlike wooden furniture, POLYDUN outdoor table will not fade, crack, warp, rust or rot when exposed to the elements. Composite, weather resistant, low maintenance, more durable than wood. Stability: This outdoor coffee table is constructed with a 90° right-angle splice frame construction, which makes the coffee table more stable and safe. Load capacity up to 200 lbs. Easy to Assemble: Detailed installation instructions, only 1 pre-assembled parts and 4 legs make assembly very easy and fast, get a beautiful coffee table in just 8 minutes, saving you even more time. Easy to Clean：You can use a towel dipped in water or soapy water to scrub directly If accidentally soiled, you can use the sandpaper to gently wipe away stains or scratches if there are stubborn stains or accidental scratches. Normal cleaning and maintenance will not cause damage to the product.