Product Information Double Drawn with up to 2 inches cutting space Cuticle Aligned Hand crafted silicone tipped nano bond Finest Italian keratin 25 grams per packet 16” & 18” – 31 bonds at 0.8g 20”-24” – 25 bonds at 1g Lifespan: 6-12 Months when using SWAY Haircare   Aftercare Salon Professional application is recommended.  DO use the SWAY Hydrate System DO NOT tone or colour the Nano Bonds DO NOT use a Silver or Purple Shampoo on the Nano Bonds DO NOT use Sulphate based products on the Nano Bonds Please be advised we do not recommend this item to be cut as it may cause shedding.