Unisex Professional 2-Way Shoe Tree Stretcher Size 8-10, Adjustable Length & Width, SingleWood Shaper SIZE INFORMATION:Available in M:8-10.5 Made of Premium Beech Wood, 14 Holes for Pressure Point Relief Helps with Blisters, Bunions, Calluses, Corns, Hammertoes, Overlapping Toes, Toe Pain, Pinched Toes, and Feel Relief from the Painful Pressure of Tight Shoes HOW TO USE: Insert the shoe stretchers into your shoes, and turn the "wheel-shaped" and "L-shaped" knob to start stretch. Keep the shoe stretchers inside for 24-48 hours. The longer,the better. But don't overstretch. One peice only. Can Be Used for Right & Left Shoes.A pair is recomended for left and right shoe at the same time.