... Additional charges1.highlight colorsNO2.mixed colorsNO3.wave or curlNO if need more material and labor cost ,will talk ... We usually do not provide repair service, while if you order from us we can repair for you ... you want when ordering.If faults happen,our faults,we will accept the return,if not,we cant.Stock ... ?After you receive the units in 3 days, if you havent changed its original state, you can ...