Build gel UV/LED available in 14 colors. Provides comfort during application and a quick and easy achievement of the desired effect of modeling the nail plate into a chosen classic shape: square, oval, almond, gothic almond or innovative shapes: edge, stiletto, pipe. Medium density Self-leveling and flexible Easy to file and adjust Acid-free odorless Non-yellowing formula which guarantees color stsability curing time LED lamp 60 seconds UV lamp 120 seconds