nails inc. Gel Effect gives you a professional gel-look finish that you can do in your own home. Black Taxi Gel Effect Nail Varnish (14ml) comes in a patent black colour, with a high-shine colour coded lid to match the interior. The extra wide brush provides a quick and easy application whilst leaving a smooth and shiny salon finish. - K.R Key benefits: No streaking or dragging Extra wide brush, no need for multiple strokes Plumping technology for a smooth, imperfection free finish Superior gloss