The OPI Gel Nail Polish is part of the OPI Gel Nail Polish collection also known as the OPI Axxium Soak Off Gel Nail Collection. Our OPI Gel Nail Polish is used at professional nail salons all over the United States. The OPI Gel Nail Polish is made to last the minimum of two weeks. Use with a UV nail light, OPI Soak Off Gel Base and OPI Soak Off Gel Sealer. Made in USA.