Nail Polish NL I'm Not Really A Waitress™ OPI The highly pigmented nail polish IS I'm Not Really A Waitress™ OPI makes the nail stronger and longer lasting. It is una long-lasting nail polish that can last up to 7 days. Contains approximately 40 double-layer applications. It is recommended to shake the bottle vigorously before application. How to apply: Apply 1 layer of base coat on bare nails. This base protects the nails and allows the color to adhere better. Apply 2 thin and even layers of color. Allow to dry for about 2 minutes. Apply 1 layer of Top Coat to add shine and extend the wear of the polish. Content: 15 ml