Shape & Size Giude
Stiletto, Coffin/Ballerina, Square, Almond
If you are in between millimeter lines, round up to the next line. It is best to order a larger press-on nail than to try and fit too small one on your nails. The goal is to make your press-on look realistic as possible. You can always file a large press-on to make it fit but you cannot make a small press-on larger.