1.Rainbow Soak-Off uv & led gel 2.One step gel, no need base and top coat 3.Easy to apply 4. ... environmentally friendly, odorless. D. One step soak-off nail gel which means no need base and top coat. E. Easy to operate ... Gel and UV Nail Gel. There are Rainbow series Nail Gel, Classic Series Nail Gel, Mini Series Nail Gel, Magic Gel, Base Gel, Bonding Gel, Builder Gel, Anti-setting Gel ...