An inflatable boat is a lightweight boat constructed with its sides and bow made of flexible tubes containing pressurized gas. The floor is often flexible. On longer boats, the floor often consists of three to five rigid plywood or aluminum sheets fixed between the tubes but not joined rigidly together. Some inflatable boats have been designed to be disassembled and packed into a small volume. Other terms for inflatable boats are inflatable dinghy, rubber dinghy, inflatable rescue boat. Inflatable boats may have rubber floors, either plain or inflatable, or they may include steel, wood or aluminum sheets for rigidity. The tubes are made of rubberized, synthetic sheets of Hypalon and it’s a chloric sulfonated polyethylene and synthetic rubber or PVC to provide light-weight and secure buoyancy. The tubes are often constructed in separate sections, each with a valve to add or remove air, to reduce the effect of a puncture. A raft is any flat structure for support or tra