General description Professional Adjustable Shoes Stretcher designed for both men and women, this single stretcher can be used for right and left shoes. It is ideal for adjusting the fit of various types of footwear including high-heeled shoes, sandals, flats, canvas shoes, and sports shoes. Technical specifications Material: Premium PU plastic and steel Adjustable width: 5.2 inches (13.2 cm) Length adjustment: 2.3-3.9 inches (6-10 cm) Usage Utilize the stretcher to adjust the instep and length of your shoes for a more comfortable fit. The unique heart-shaped design helps alleviate issues such as tightness and discomfort. Installation 1. Insert the removable pressure relief plugs into the suitable holes where relief is needed. 2. Insert the stretcher into the shoe. 3. Turn the round plastic handle clockwise until you see surface pressure on the shoe. 4. To release, turn the handles counter-clockwise. Other information Package includes: 1 x Shoe Stretcher, 5 x Pressure Relief Plugs