Treat your nails to flawless colours and coverage with the Maybelline superstay 7 days nail polish. Featuring a dark shade of grey made with a special formula of calcium, iron and silica. Designed with a tough finish. so you can enjoy a salon quality manicure all week.. Maybelline Superstay 7 Days Gel Nail Polish 900 Huntress. 10ml. Flawless look. Tough finish. Special formula