There are very precise scales on the body of the bottle, allowing you to apply exactly one drop of hair dye if necessary. The comb on the headgear is equipped with a perforated comb at the end of its teeth - suitable for dyeing your hair. It is made entirely of plastic - durable enough for long time use. Soft and smooth - easy to squeeze a drop of hair dye. Leak proof - perfect for home and salon use. 3 Colors Will Be Sent