4 pcs black bump it up volume hair base styling insert tool hair clip volume padding bun updo hair bun maker hair accessories for women girls teensery <b>features:</b><br> these hair base inserts are useful hairstyle tools, diy a eye-catching hair style at home.<br> <b>easy to use:</b><br> step 1: lift up part of hair, place the hair base under it<br> step 2: move the hair to cover the hair base insert<br> step 3: fix it with hair clips, then loose the hair to make more natural<br><br> 4 pcs black hair base in total, including 2 styles, each style has 2 sizes