The Back of the Seat Cushions Use a Composite Plastic for No Rotting or Deterioration Heavy Duty Powder Coat with a UV additive for additional protection from fading Large Flat Cargo Bed Measureing 42″W x 36″D 1″ Tall Edge, 360 Degrees All The Way Around the Flip Deck when Folded Open. Which Keeps Cargo Securely on the Deck All Mounting Hardware and Bolts Included All Zinc Plated Bolts, Nuts, and Washers Very Strong Flip Deck Marine Grade Vinyl on the Cushions Factory OEM Matched Color Cushions Diamond Plate Patterned Composite Plastic Deck Strong Frame Design Grab Strap for Easy Opening of Flip Deck Includes all New Seat Brackets