JG30-type structure is designed inflatable tent: inflatable arch structure, a thick and 4.6 meters (zippered curtain can be rolled up); depth is 6.5 m long (on both sides with windows, screens in the outside shutter); total height of 2.65 m ; balloon diameter:: 250mm. Nylon airbag material is PVC coated 0.9mm thick gas clouds; outside the tent cloth mask and PVC compound cloth below ground connection. Folded package size: 112X65X70cm, Weight: 102 kg.