Features: High quality, durable; Dry hair and wet hair can be used; Easy to operate and easy to use; Applicable to professional salon and family use; Specifications: Color: Orange + Green Material: plastic Product size:  #1: about 9X0.8cm/3.54X0.31in #2: about 9X1cm/3.54X0.39in #3: about 9X1.2cm/3.54X0.47in #4: about 9X1.4cm/3.54X0.55on #5: about 9X1.6cm/3.54X0.63in #6: about 9X1.8cm/3.54X0.71in #7: about 9X2cm/3.54X0.79in #8: about 9X2.2cm/3.54X0.87in Quantity: 10pcs/size(8 sizes, 80pcs) How to use: 1. Take the right amount of hair, from the point of hair start winding on the curler. 2. Apply the perm dose to the curled hair according to the instructions of the manual. 3. Heating with a heating cap. Time and temperature are decided by a perm. Or with a hot towel, a hot air blowing with an electric blow (a little less effective). 4. After finish, take off the curler. 5. Scalded hair, strengthen the shape: The two order can be: 1. After rolling hair,spray gel, mousse, or other styling products. Over 10-20 minutes to remove. 2. First spray gel, mousse, or other type goods. Then roll in curlers (better effect but easy to make hands dirty). Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Package included: 80 X Cold Perm Rods