50 Grams per Bundle, Typically takes 150-250 Grams to Complete a Full Head. Keratin Fusion Bonds or K-Tips are Needed for K-Tip or Fusion Installs. This Type of Install is When Individual Strands of Hair Extensions (1 gram per extension) are Installed by Using a Keratin Bond. Keratin Bonds Can Be Customized in Size to Fit Each Individual’s Needs Which Creates a Very Discreet, Natural Looking Install. *If Booking an Appointment for Services and You Want to Use This Texture Select One 16” Bundle. If Upgrading Length & Texture for a Service Select Enough Bundles to Complete a Full Head