Flexi as flexible: Extremely flexible, bendable gel varnish. Builder : Is it necessary to repair or replace the nail length? With the Flexi Builder Base gel polish, you can replace the broken nail corner on the template and add up to 3-5 mm to the natural nail . Base as base: It forms a thick base, so the nail is less vulnerable, thus ensuring a more durable wear . Its dense texture enables the nail plate to be raised (building a C curve) and evens out the surface of the nail , which provides an even more beautiful and perfect base for the gel polish color. Its characteristics: - transparent - removable - flexible - dense - must be fixed - non-yellowing UV: 2 min LED: 30 sec CCFL: 50 sec