Material ABS, capacity of 300 ml, smart card lock, at the bottom of the lateral fluid observation window, shell surface, convenient custom printing and press, shell of force can be pressed out liquid at any position, and has independent liquid bottle, can choose to fill and disposable bottles, single press 1.6 ml of produced liquid, can be customized logo printing, monochrome single: $50. Color: white, silver, black, other colors can be customized, the minimum order quantity is 500