Features:1. Stickers made of EVA Foam Materia and Mirror materiall,which is non toxic and non fading ,can last for about 3-5 years.2. 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;3. The mirror with glue, before to paste the sticker on the wall, you need to paste the mirror on the sticker surface first;4. Diy design, clock layout size measured by hands, can be ajust to be smaller or bigger sizeSticker material: EVA Foam (Ethylene vinyl acetate)Clock material: Best material acrylic, metalInstall:1.Put the trace-less nail into the right position, the small tail should be up.2.Put off the screw button from clock disc, then put on the scale and hang to the trace-less nail. It is better fix the scale by using the adhesive tape.3.Cutting the scale depend on your wall size.4. The Scale has 12 black lines for the right position, move the ruler to each grid, using the pencil to mark the position ,the balack lines should be parallel to locate the sicker easily.5.Taking off the UV film from the clock pointer6.Taking off the screw from clock dial, then put the pointer, first for second pointer, after for minutes pointer7.Hang the clock to the trace-less nail8.Taking off the paper from the mirror9.Put the mirror surface to each EVA sticker, then take off the UV film from mirror10.Put the EVA sticker to the position you marked .Follow this step you will get down.Package Includes:1mm Acrylic mirror piecesCalibreDiskNeedlesMeasure paper rulerNon-marking nailMounting instructions