This machine has 4 colors, the color is very beautiful, and it gives multiple choices. Barrel is very long, it will not burn when ignition, and the inflation is very sufficient. The handle design is very reasonable, according to the size of the adult's hand, it is very comfortable to hold. Press the hand is designed according to the switch of the gun, which gives people a feeling of high-end, just like holding a gun in hand, which is very secure.