OPI returns to its roots in Hollywood in honor of their 40th anniversary.The colors in their anniversary collection are inspired by Hollywood and the famous glamour we all associate the neighborhood with. There are 12 colors in the collection, which you get in OPI\'s unique formula Infinite Shine.The Infinite Shine nail polishes are a 3-step system, where you get a result that lasts for up to 11 days. First, apply Step 1: Infinite Shine Base Coat, which prime the nails and ensures that you avoid discoloration. Next, apply Step 2: Infinite Shine Nailpolish, which is the color you want on your nails. It finishes with Step 3: Infinite Shine Gloss Top Coat, which seals the nails and gives extra longevity.Application:Step 1: Apply Infinite Shine Base Coat for even more durabilityStep 2: Apply the desired color nail polishStep 3: Finish with Infinite Shine 3 Gloss top coat for a glossy finishBenefits:Lasts for up to 11 daysQuality nail polishSpecial anniversary colorsGlossy finishWithout DBP, formaldehyde or toluene