Body size: approx. 19 x 10.5 x 10.1cm. Main materials/raw materials: Polystyrene Can store approximately 50 regular-sized masks. Children's masks and smaller size masks that do not fall out of the outlet can also be stored. It comes with a magnet, so you can attach it to your front door, etc. The lid prevents dust from getting on the mask and keeps it clean. When you open the lid, you can put the mask in and take it out from the bottom. (C)2001,2021 SANRIO CO.,LTD.(P)