Package of 12 x SB-C420-BLKKREST Cleopatra #420 Flat Back Finger Waver Comb SB-C420-BLK Krest combs are designed with the selective professional in mind and made exclusively for your hair styling needs. FEATURES: Black Color 7" Flat Back Finger Waver Comb Made of Nitrile Rubber 100% Professional Quality For Combining Proper Rigidity & Flexibility Will Not Absorb Sterilizing Solutions, Perms, Conditioners, Shampoos, Oil, Water, Etc Can Be Wet or Dry Sterilized Perfectly Matched Teeth To Eliminate Drag, Spit Ends or Scratching Numbered Ruler For Precise Sectioning