1.Soft and Hard Set: Each box comes with 2 pairs of crease preventers. The white is softer than the yellow and the black. You can pick one you feeling most comfortable. 2.EASY TO USE: Compatible with most shoes. Use 1/2 shoe size larger to true foot size for best fit. If some shoes not fit 100% perfectly, you can also make adjustment according to your own needs. 3.QUALITY: Made with durable, washable, and breathable materials.?Make sure your feet comfortable just like the them not there at all. 4.SMART DESIGN: No need to worry they will move while you are walking. The design makes sure it can stay stuck to the top of shoe firmly. 5.CONTAINS: Each Package includes 2 pairs of durable crease preventers and a user manual.