Mood Changing: Colors are heat activated and change according to temperature. Apply gel top coat for stylish glossy finish. Cure with UV light for 60s to dry. Package Includes: 6 gel polish colors of 0.25 fl.oz (7.3ml) each. Basic gel nail set to enjoy the nail art from the comfort of your own home! Easy To Use: Cure with UV light for 60s to a complete dry. Long-Lasting: Up to 4 weeks if properly applied base coat & top coat. Toxics Free: Lower odor compared to traditional nail polish. All ingredients in strict compliance with FD&C Act and SGS certified. GAOY Color Changing Gel Nail Polish Set, 6 Temperature Mood Changing Colors Red Pink Purple, Soak Off UV Light Cure Gel Polish for Salon and Nail Art DIY at Home