Metal Construction: Crafted from quality metal, this shoe stretcher is designed for long time to use, ensuring it remains a reliable tool in your shoe care routineVersatile Fit for Various Shoe Types: This Shoes Tree is suitable for a wide range of footwear including sneakers, leather shoes, casual shoes, running shoes, sandals, and flatsAdjustable Length for Optimal Comfort: With a head length of 16.8cm and a back pad length of 8cm, this single shoe stretcher can be adjusted to fit shoes comfortablyFunctionality: Effectively addresses issues like tightness and discomfort by allowing you to stretch your shoes to achieve the suitable fitSimple Usage: Easily insert the stretcher into your shoe and adjust it according to the desired length to enhance comfort and wearability Specification: Material: Metal Size Chart: Head Length: 16.8 cm/6.61 inchBack Pad Length: 8 cm/3.15 inch Package Includes: 1 Shoe Tree Note: Please allow slightly errors due to manual measurement and different monitors.