(Use) Simply Fill The Hair Applicator Bottle with Your Pre - Mixed Hair Color and Use a Pressing Motion to Let The Dye Flow Through The Comb Head, It Doesn't Stick to Your Hands When You Use The Hair Color Bottle Applicator | (Design) The Translucent Bottle with Scale Allows You to See The Residual Amount of Hair Dye in The Bottle and Not Waste It | (Size) Hair Dye Root Comb Applicator Bottle Size is About 6; 7*1; 8 Inch | (Quality) Root Comb Applicator Bottle Made of Plastic Material, Not Easy Fade and Break | (Package Included) You Will Get 3 Pack Blue Root Comb Applicator Bottle