Discover the only blues you won't want to beat! Wear the Nail Lacquer Nail Polish, Blues from OPI for blue-tiful nail looks. 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.