This hard wearing nail file is so reliable that it comes complete with a lifetime guarantee, so you'll never need to worry about chipping a nail again, especially on the biggest, most important beauty day of your life! Surprisingly, this super-strong file is actually gentler on your nails than most, and it comes in an aluminium case to keep it safe, clean and secure. Make sure you have it in your wedding clutch, so that no matter how many stresses you have on your big day, a broken nail isn't one of them.