I-Tip is an individual extension system that does not use any heat glue sewing or braiding. It uses a small patented cylinder to crimp the extensions into the natural hair. Everything is reusable and the hair will last over a year with maintenance every 4-6 weeks. All Feel More Like U Hair sales are final. FMLUH doesn't offer any returns or refunds only exchanges within 3 days if they are unopened and unused. There is no warranty for FMLU. You have the option to get 100% protection for your Feel More Like U Hair's extensions with HairCare. Learn how it works here.