Non-Toxic Material: This creative retro wall clock is mainly made of acrylic and wood, and the hands are made of metal. There are only organic dyes and formaldehyde-free resins in the material composition. Silent Movement: The silent movement and metal pointers ensure long-term accurate time by effectively reducing ticking noise and energy consumption to give you a good sleeping and working environment. Vintage Decoration: With a unique elegant skeleton shape vintage design, this decorative wall clock is suitable for living room, bedroom, kitchen, office and other public places. Easy Installation: Dimension: 40 x40cm; It is lightweight and can be easily installed on the wall with nails for easy use (included in the package).