Head Jog Roller can be used as a styling tool to create long-lasting temporary curlers, and used with heat to aid in quicker styling due to the unique shape that allows for air circulation. Supplied in packs of 12 with Pins and are available in 7 sizes to suit all hair types / lengths: Green 18mm, Blue 20mm, Yellow 22mm, Pink 26mm, White 30mm, Lilac 36mm, Peach 40mm.