Description : Professional quality , easy to use non - slip perm rods with rubber bands .( Random Color ) For precisely to distribute your hair . Different size for you choose , can create beautiful hair styling . Great design for all curly hair type and styling . Specification : Size : Approx . 1 #: 9 x 0 . 8 cm / 3 . 54 x 0 . 31 inch 2 #: 9 x 1 cm / 3 . 54 x 0 . 39 inch 3 #: 9 x 1 . 1 cm / 3 . 54 x 0 . 43 inch 4 #: 9 x 1 . 3 cm / 3 . 54 x 0 . 51 inch 5 #: 9 x 1 . 4 cm / 3 . 54 x 0 . 55 inch 6 #: 9 x 1 . 5 cm / 3 . 54 x 0 . 59 inch 7 #: 9 x 2 cm / 3 . 54 x 0 . 79 inch 8 #: 9 x 2 . 3 cm / 3 . 54 x 0 . 9 inch 9 #: 9 x 2 . 5 cm / 3 . 54 x 0 . 98 inch Material Plastic Color : White , Green , Yellow , Pink , Red , Gray , Dark Yellow , Black , Blue ( Dual Colors Mixed ) Package Includes : 12 Pieces Perm Rods