... and weather resistant. 2,heavy duty 28 oz. marine-grade 3,Stainless steel OR Aluminum Product Description:• ... foam and double stitched, heavy duty 28 oz. marine-grade vinyl that is mildew resistant and has ... Fold easily for storage. • Heavy-duty, 28 oz. marine grade vinyl upholstery is mildew resistant and UV treated to ... Specifications: Stainless steel or Aluminum Folding Yacht Deck Chair seatings