OPI offers a range of grey nail polishes, which are available for purchase at Nail Polish Direct. OPI Infinite Shades gives your nails a Gel Like Finish which lasts up to 10 days. No need to worry about LED or UV Light. OPI Infinite Shine aims to offer a range of shades to suit you all year round. OPI Infinite Shine has a collection of treatments available now to give your nails salon quality treatment before & after the manicure/pedicure. OPI Infinite Shine is not just easy to apply but it is also easy to remove.