The Tethered Balloon Comprises A Helium-Filled Balloon And Veil Construction. The Balloon is made of Polyurethane fabric, which is good at better quality on Airtight. It can hold helium for days in good situation, no need to refill gas
We have done 8 m3, 11 m3, 13 m3, 15 m 3, 20 m3, 25 m3, 30 m3, 34 m3 ,45 m3 and 47 m3. We also accept customize order as different lift weight and shape