This product is a high-speed industrial sewing machine, not sealing products, you need a pinhole gas turbine has been running non-stop air, we can achieve the effect of bounce, or blower has been aspirated, if the trampoline uninterrupted leak, then it is easily blown explosion large inflatable tent, so no need to worry about the product gas leak run, otherwise excellent toy bounce effect and will affect the life of the product, so to remind buyers tent, mind, do not shoot. Excellent quality rain tarp, not only high rain indicators, but also in connection tarp seams there generous adhesive strip to defense joints seepage. Although the rain outside the tent fabric index is high, but it was a ventilation problem. Even without rain clear night, after a nap outside the tent will still face covered with drops of water particles advertising tents, tents especially on large ground moisture grassland. Cumulative more will drop into Inner tent. Relatively speaking, inflatable advertising tent, rain index low rainfly, within an area of ??high water ratio to be less rain. These are the occupants in the tent exhaled water vapor, ground tarp gathered steam in the face drops. Because rainfly rain, the rain could not come outside, the water vapor inside can not get out. So it's the morning, to avoid the hard hitting rock tent, which will be under careful "rain." Tent _ advertising inflatable tent _ kai-kai-kai-kai is provided by inflatable. This information consists of: providing Guangzhou Jia Kai Plastic Products Co. (www.kksport.cn), we are business alliance member, the integrity of the whole network certification vendor. Feel free to contact us, Contact: Miss Kwong