Alrens(TM)Fashion Acrylic 3D Frameless Silient Wall Clock with Clock-arms Luminous at Night, Home Decoration Creative DIY Wall Sticker Art Living Room Office Decor Digital Clock Art Material: Acrylic. There is a protect film on the mirror sticker,once you finished,please tear off the protect film. DIY Size:30--40CM (pasting according to your own ideas). Luminous clock-arms design, absorbing natural light during the day and glowing during night , easier to identify the time and direction. Easy to install and remove the sticker.Green environmental protection,Non toxic and safety for the children. Suitable for any smooth walls of living room, kids bedroom, dining room, kitchen, office, bathroom, outdoor etc.