Build gel UV/LED available in 9 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.