Men/women High Top Tree Shaper Expander Sports Shoe Width Stretchers For Boots(39,green) FG05 Product details: Shoe supporter: The longer the shoe supporter stays the more your shoes will be supported. Scope of application: The high-top shoe expander is suitable for high-top shoes and boots with laces or zippers.(High-top shoes and boots without zippers and laces are not suitable). How to use: 1. Unzip the shoelace or zipper 2. Twist the upper ro button clockwise to expand the length 3. Twist the golden quincunx button clockwise to expand the length. Product information: Name: High-top shoe expander Size: 36-39,39-42,43-46 Specification: 1 pack (common for left and right) Color: red,green Suitable season: spring autumn winter summer Scope of application: high-top shoes high-top shoes with laces or zippers can be used