This Package Includes a Shampoo, Press/Light Styling, & 150 Grams of 16” Body Wave or Straight Hair Extensions. If Upgrading Package To a Different Texture Select 1-16” Bundle of the Texture as an Add-On, if Upgrading Length Select Enough Bundles of the Different Length to Complete a Full Head, ( Both Must Be Done as Add-Ons) . Keratin Fusion Bonds or K-Tips are Individual Pieces of Hair Extensions that Have a Keratin Bond at the Tip (1 gram per extension) and are Installed by Heating the Keratin Bond. Keratin Bonds Can Be Customized in Size to Fit Each Individual’s Needs Which Creates a Very Discreet , Natural Looking Install. Install Lasts 4-6 Months. Keratin Bond Hair Extensions are Only Reusable if the Keratin Bond is Replaced (Typically 150-250 Grams are Needed to Complete a Full Head). ($150 for Keratin Replacement).