This sticker is made of eco-friendly PET material, uses a special brushed silver process, metal as the main element.Sales 25pcs/set,each 7.87" *7.87"size.Self-adhesive function, feel free to DIY. Decorate your wall, old tiles surface, bathroom, and kitchen's partial or whole paving at will. And this sticker is resistant to high temperatures of 120 ℃ and is all-around waterproof. Suitable for many occasions, such as kitchen, bathroom, bedroom, laundry rooms, coffee shops, etc.