1.Using the best sewing machines to handle thread;2.Double stitching inside and double stitching outside to make sure the strong enough inflatables;3.Using heal sealing machine can insure high airtight and soundness for our inflatable products;4.We make reinforce strips at the bottom joint and each corner. So when the kids play, you do not need to worry about the safety at all;5.Each product has D rings to fix the inflatable. It makes the inflatable steady enough.