1.Rainbow Soak-Off uv & led gel 2.One step gel, no need base and top coat 3.Easy ... no sense of weight, relaxed, and environmentally friendly, odorless. D. One step soak-off nail gel which means no need base and ... and soak off. 4. Application Instruction Step 1: File the nail surface lightly. Step 2: Apply a layer of gel polish ... are manufactory. Lastest Rainbow Soak-Off uv & led gel (one step gel)--215