The clock finishing size depends on your preference to decorate your wall DIY distance from different digits, and the DIY shape of the digits. Easy to install and remove the sticker. It is self-adhesive, water & steam resistant, non-toxic and safe for children. Silent sweeping movement, mute movement, and silent clock give you a quiet night. The decals can be applied on all smooth surfaces, such as walls, doors, windows, closets, plastic, metal, tiles, etc. Colour: Black