FUNCTION: Prevent painful blisters and stop wearing shoes that hurt Turn tight boots into fitting comfortable boots.(Suitable for ordinary boots)DURABLE BUILD: Made from tough polyurethane plastic & premium steel shaft, more durable than the wooden ones, these outstanding shoe stretchers can be used for years to come.Outer Material: PvcInner Material: pvcSole: pvcMETAL HANDLE:The metal handle is electroplated and rust-proof, smooth and sturdy, easy to use,and it will last longer.FREE GASKET:We also give away a set of gaskets that can be used to further increase the upper.Allowing you to stretch very small areas of your boots, letting you zero in on painful pressure points.2PCS PACK: Package include a pair of shoe stretchers.Just insert the into the boots, and then turn the knob clockwise to begin stretching the Boots. Leave the shoe stretchers in overnight, or for 24-48 hours. The longer the shoe stretcher is inside, the more your shoes will stretch.