All inflatable boats are hand-sealed at the seams for perfect ... offered are high quality and high value, which include drift boat, transom inflatable boats, etc. Each seam is strengthened with four layers ... of bonded fabric for maximum strength and durability. All inflatable boats are made of 0.9mm, 1000 Denier polyester ... coated on both sides with PVC or Hypalon. XZF Series inflatable boat