1. Universal Fit for All FootwearProfessional shoe stretcher works on leather shoes, flats, sandals, loafers, oxfords, slippers, tennis shoes, canvas shoes, sneakers, peep toes shoes, ankle boots, suede shoes, wedge heels shoes. Worked perfectly on the ankle boots! (not for knee high boots). Perfect shoe trees for men size 8 13 and shoe stretchers for women size 9 14. Ideal shoe expander for wide feet relief. 2. Premium MaterialHeavy duty plastic base and steel. The shoe stretchers with ergonomic handle is user friendly, smooth surface protects leather shoes from damage. Both feet can be used, no distinction between left and right feet. 3. No installation needed! Simply place it inside the shoe, rotate the handle or knob as instructed, and leave it for 24 48 hours to effectively stretch the shoes, making it ideal for daily use. 4. Multi Way Adjustment System professional shoe boot widener. The shoe stretcher not only expands the size of shoes but also prevents deformation, wrinkles, or vamp collapse. It also helps relieve foot problems such as plantar fasciitis, bunions, blisters, and sore toes. 5. 1 PackThis listing is for a ONE Shoe Stretcher, not a pair. This stretcher is not suitable for knee high boots. It cannot stretch Steel or Hard Toe footwear. Suitable for either Right or Left Shoes. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store