Material:Made of hard plastic&steel,Simple and practicalLength: 9.45"-12.40" / 24cm -31.496 cm (Adjustable),fit for men's shoes size from 5.5-11.5Use to keep the shape of shoes nice and straight,great for shoes storage at home and traveling,take up less spaceSo much lighter than the wooden ones, Feather weight,Perfect for travel.perfect for your closed-toe heels, as well as boots & tennis shoes,moccasins ,sneakers，ectWarm prompt: In order to use these shoe trees for a long time,please be more cautious while use,As they are made of hard plastic and only can bear little stress