Material: ABS and metal Dimensions: Clockwise measures: 9*31 cm and parts symbolizing the numbers: 8.5 cm. Simple installation. The wall sticker is self-adhesive design. Easy to install and remove A perfect gift and crafts for your friends or family. They can be housewarming gifts, business gifts, holiday gifts, promotional gifts and home decoration. Suitable for smooth walls of living room, bedroom, dining room, kitchen, office, cafe, living room, etc.