... /pcBuoyancy: 350kg/ m2Material: HDPE with UV Size: L:50 x W:50 x H:40/cm Accessories: connecting pin, screw&nut ... with obtuse angle, eliminating the dangers of common cement and wooden floating body,such as, slipping, stung by wood chips, rusted ... , motor boats, yachts, surfboat.3. Floating platform for coffee/beer house, wooden house.4. Platforms for water sport usages.5. Swimming pool, show ...