Durability and provides stability,none need tugging and pulling. just place the hair section you're working on on the board and let the built in teeth flat in place, separating it easily from the rest of the hair. the strong base provides easy coloring and bleaching of long hair. This highlight board for hair color is very easy to and designed with teeth to hold hair in place, and allows you close to the root and saturate sections faster. the board's underside serves as a balayage board. Poper size fantastic to use on hair foils for highlighting or to complement your hair bleaching set. Prevents hair dyes touching hair root directly, protects your hair scalp Wonderful ,sweet warm for friend family and yourself.