1.2 WAY SHOE stretcher:The shoe stretcher stretch width and length, it can stretch width or length alone. The Shoe Tree transforms any pair of shoes into perfectly fitting, comfortable shoes. (Fit Large size: Man's Size7 9 Woman's Size 6 10) 2.UNIVERSAL FITS: Suitable for both left and right shoes and can fit various shoes (Except boots) of women and men such as leather, loafers, high heels (2.36inches), sneakers, and tennis shoes. (DON'T FIT FOR THE LONG BOOTS!) 3.EASY TO USE SHOE STRETCHER: Just insert the shoe stretchers into the shoes, and then turn the knob clockwise to begin stretching the shoe. Leave the shoe stretchers in overnight. The longer the shoe stretcher is inside, the more your shoes will stretch. 4.PRESSURE POINT RELIEF: Each piece of our shoe stretchers for wide feet includes 4 black bunion plugs and 10 holes, after using, these bunion plugs allow you to loosen the small areas inside your shoes that makes your uncomfortable.