OPI Gel Color with Breakthrough ProHealth TechnologyNo damage removal for healthier looking nails.OPI ProHealth Technology Base & Top Coat Duo Pack7-minute removal, no damage for healthier.looking nails. Two-weeks plus of wear with unbeatable shine..5oz or 15mL each OPI GelColor PROHEALTH Base Coat + Top Coat .5oz/15mL * 2 Bottles*.