Product title:Hair Chalk Comb Temporary Bright Hair Color Dye For Kids6 Bright White - You Can Use This Hair Color Comb To Creating So Many Different Looks; Z --the Length Of The Hair Color Comb Is About 3.9(10cm)safety & Easy To Clean -the Hair Chalks Are Non-allergenic And Water-soluble And Environmentally Friendly And Can Last Up To 3 Days; ColorsCan Be Cleaned Simply By Washing Hair As Normal With Water And Shampoo.note - This Hair Chalk Is Very Easily Applied To Light Hair Like Gray And Blond Hair. But It Is A Bit Difficult For Dark Or Brown Hair, You Can FollowStep:1. Apply The Color To A Handful Of Hair One Time. 2. Seal The Chalk AndDry The Hair With A Hairdryer Or Fan. 3.finalize Your Hair With Gel OrHairspray. And The Chalk Might Be A Little Sticky.applicable People And Scenes - A Party Hit With The Kids; Suitable For Birthday, Parties, Weddings, Clubs,Festivals, Cosplay, Engagement, Halloween, Christmas, Etc, Creating ABeautiful And Unique Look For Yourself. A Cool Gift For Your Family AndFriends.easy To Use -with The Design Of A Fixed Comb, They Are Easy To Apply On Your Hair From Top To Bottom Without Stain Your Hands. Keep Your HandsColor-free. Due to different measurement methods, please allow a measurement error of 2-3cm.Due to the problem of shooting tools and light, please allow the color difference between the picture and the product.