... the SGS,ISO test 4,20-30 days delivery Velcro Aluminum Core Hair RollerWe can produce sponge hair roller,plastic hair ... roller and aluminum hair roller,velcro hair roller,magic hair roller,plastic hair ... .1,Product’s attribute1) it is made of 100% nylon + aluminum core2) Speicfication(Width): 25mm,30mm,36mm,40mm,46mm,50mm,the ...