Features: How To Use Use The Rat Tail Comb To Separate A Small Section Of Slightly Damp Or Dry Hair. Wrap It On The Rods And Fix It With The Rubber Band. Keep It 30 Minutes To 1 Hours. If You Use A Hair Dryer Or Stereotyping Water, The Wave Will Form Faster. Function: Easy To Use, Does Not Require Heating, No Harm To The Hair, Safe And Comfortable, Curl Your Hair In A Simple And Natural Way, Bring You Practical And Convenient Hairdressing Styling Curling Tools. Specifications: Material: Plastic, Steel Size: As Picture Shows Color: As Picture Shows Quantity: 37 Pieces Package Includes: 36 X Hair Perm Rods 1 X Steel Rat Tail Comb Note: Pointed Part Included, Please Keep Away From Kids. Manual Measurement, Please Allow Little Size Errors.