Features: Rolling ball to dispense liquid at a controlled speed. The ball head roll before the liquid is dispensed, making it easy to control the amount of liquid applied and to dispense it evenly. Easy to use: the applicator is applied precisely to the hair shaft, reducing waste. The 6ml bottle can be used for a full day39;s application. Wide mouth design for smoothing filling. No need to worry about liquid spillage. The entire body is rust and corrosion resistant and can be cleaned at will. Regular cleaning is recommended to prevent clogging. Leak-proof base: storage hole in the base prevents liquid from escaping. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS Size: 2.5*5.5cm Package List: 1 x Roll-on Hair Scalp Applicator Comb