OPI Infinite Shine ProStay Duo Pack, Nail Polish Base Coat Primer & Gloss Top Coat OPI Infinite Shine ProStay Duo Pack, Nail Polish Base Coat Primer & Gloss Top Coat ($14, originally $20) Image Source: amazon.com OPI Infinite Shine ProStay Duo Pack, Nail Polish Base Coat Primer & Gloss $14 from amazon.com Buy Now