From white nail polish that turns heads to black nail polish that turn up the intrigue. OPI's Black, White, & Gray Nail Lacquer Collection has the palette that completes your look from elegant to bold. Transform your nails with OPI signature Nail Lacquers. From trendy to classy, OPI Nail Lacquer is available in all the nail polish shades you want. OPI Nail Lacquer provides up to 7 days of wear so you can get the nails you love all day, every day.