DND Gel Top Coat 400 Refill Bottle 16oz. (500mL) Professional 500ml refill bottle DND Top Coat is the ultimate top coat for a gel manicure and pedicures, providing an unmatched shine and durability. DND Top Coat cures in 30 seconds under a LED lamp or 2 minutes under a UV lamp Provides a chip resistant finish for up to weeks Manufactured in the USA