Stickers made of EVA Foam Materia and Mirror materiall,which is non toxic and non fading ,can last for about 3-5 years. Stickers can be removable ,with glue on the backside, easy to paste on the wall or any other clean and smooth surface; such as door ,the closet and so on; The mirror with glue, before to paste the sticker on the wall, you need to paste the mirror on the sticker surface first; DIY design, clock layout size measured by hands, can be adjust to be smaller or bigger size, the maximu