1.All material is made of high quality food grade material, comply with the REACH, ROHS, FDA, CE, GB test standard.Don't use recycle material in the production process to ensure the stability of quality.

2.Through our factory serious 2 meters high drop, 100 kg pressure, 2.0 PSI pressure leak, and pull, hanging and practical use test.

3.Specific material for the bag body is TPU 0.38 MM blue color, the BS blue water cover is DIA 45MM, E3 outside screw tooth water joint, 17P FREE PVC pipes, V2 double check function of water suction nozzle.