550 pcs Acrylic Middle Long Coffin Nail Tips 11 nail tip bags. Natural thin, professional use. Color: Natural / Clear Usage Instructions: 1). Clean your nails for the most natural appearance, trim and file the entire free edge of your nails. 2). Select the correct size nails for all ten fingers and arrange in the sequence they will be applied. 3). Hold nail by numbered edge and apply glue into the back area which will be over the natural nail.