Feature:1. The spring post can bend at will. Suitable for shoes of any size and can protect the shoes.2. Simulation shoe shape design, easy to put into shoes, even strength without hurting your shoes.3. Effectively support large and tight shoes to solve small shoes, squeezing feet and other problems.4. Widen the shoes to make the shoes more comfortable when wearing, wonderful and practical accessory.5. Made of wood material, the shoes stretchers are protected from moisture and will not deform.Specification:Item Type: Shoe StretchersMaterial: Wood, Plastic, Metal SizeS(34-38)M(39-41)L(42-46)Total Length33cm / 13in35cm / 13.8in37cm / 14.6inFront Length14cm / 5.5in16cm / 6.3in18cm / 7.1inFront Width6.5cm / 2.6in7cm / 2.8in7.5cm / 3inFront Height6cm / 2.4in6.2cm / 2.4in6.5cm / 2.6inUse Steps:1. First, move the pine slider back2. Then put the shoe expander into the shoe3. Place the loose slider against the heel of the shoe4. Turn the L axle clockwise to make the shoe expander hold up the shoes and set them..Package List:1 x Shoe Stretchers4 x Shoe Stretchers Support Note:1. Shoe stretchers are made of pine wood material, due to the natural characteristics of wood, there will be trees "ring lines" or "green spots", which is difficult to avoid and does not belongs to quality problems.2. Please allow 12cm error due to manual measurement. Thanks for your understanding.