Friends forever. Enjoy a classic dark beauty that commits to a long lasting nail relationship from the OPI x Hello Kitty Holiday 2019 Collection. OPI is renowned globally for its Nail Lacquers - a brilliant, chip-resistant, professional formula available in over 200 fashion-forward colors. With clever names that customers look forward to with each new Collection, OPI Nail Lacquers are beloved around the world, and trusted by professionals. All OPI lacquers are DBP, Toluene and Formaldehyde free.