Injection Molded Seat Frames withstand the elements * Heavy-duty, 28 oz. marine grade vinyl upholstery is mildew resistant and UV treated to withstand fading * Marine Grade 28oz vinyl is loaded with Mildew and UV inhibitors * Stainless Steel Hardware, Easy assembly. 6 Year frame warranty, 3 years on upholstery * Matching Seat to WD707P Lounge