Hotel slipper 1) Materials: velour/towel/waffle 2) Sole material: sponge with non-slip eva 3) Types: close/open toe hotel ... ,cotton velvour,cotton waffle,non woven,etc,with sponge under; sole: anti-slip EVA,sponge,paper card,TPR,etc.,disposable or washable ... depends on your quantity. 5. Package as you requests. luxury sponge slipper