Airtight inflatable bungee jump round trampoline

Inflatable round bungee jump for water games, the material is 0.9mm PVC from plato and has past the M2,B2 standard test.summer is coming, when you are play in the water and want to jump, please choose this sealed trampoline.
1. Function:transparent ball is with a double layer door
2. Material: best 0.6mm or 0.9mm PVC tarpaulin
3. Heat sealing with the high temperature machine
4. PVC made by 3 layers top and down its pvc in the middle of it with strong net.
5. No need continuous air blower, just put air then closed the valve then keep air inside around 15days