[PREMIUM MATERIAL, PROFESSIONAL DESIGN] - Being made of premium ABS plastic material, the shoe stretchers are extremely solid. Unlike the flimsy wood shoe trees, The shoe stretcher wont crack, chip or break. Equipped with heavy duty metal shaft, handle and screws, the shoe tree stretchers are sturdy.^ [THE ROLE OF PRODUCTS] - This professional shoe stretcher solve shoes too small, squeeze feet, grinding feet and other issues,after use the shoe stretcher about 24 hours,your shoes will larger.^ [How LONG DOES IT NEED TO WORK] - 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, or for 24-48 hours. The longer the shoe stretcher is inside, the more your shoes will stretch.^ [4-WAY ADJUSTABLE SHOE STRETCHER WORKS LIKE MAGIC] - Instead of only 2 ways, The shoe stretchers provide 4-way stretching: Stretch width to widen shoe; Stretch length to increase shoe size; Expand bunion areas; Raise shoe instep or vamp. Being applied with shoe extender, your shoes become roomy and comfortable. The shoe enlarger will save your wide feet many blisters and pains. This shoe stretching tool can also be used as shoe shaper and shoe keeper to maintain shoes in a good shape.^ [PLEASE NOTE] - The shoe stretcher don't fit boots!!! Fit shoes: The professional shoe stretcher fit sandals,flats,casual shoes,canvas shoes,sports shoes,high heels (