... +.Material-high quality PVC +.CE Certificate +.5 Years Warranty Boat Accessory 1.material of pvc thinckness from 0.7MM -1.2mm ... ,BIG Middel .small, material :Steal or Plastic10 MOtor pad ,steal or plastic11 floor ,aluminum., plywood .fiberglass floor . vib floor,, slatter Boat Accessory