Aerotain Balloon Drone Hull Size: 2.8m diameter Balloon Design: 2 ply design Balloon Material: TPU internal, nylon external cover Gas Fill: helium gas SKU: skyballoon-aerostain-2.8m-balloon Category: Innovation Tag: balloon hull Related products Quick View Quick View Automatic Ballonet Control System For Blimps and Aerostats Quick View Quick View Ultralight TPU Packraft One Person Inflatable Float Raft Quick View Quick View DC Power Brushless RC Lightweight Thruster 7kgf Quick View Quick View TCHZIP | Waterpoof & Airtight Zipper