Product composition: This product contains 1 transparent hard acrylic roller, which has strong coverage and is flexible and convenient to use. Product size: Diamond spray paint tool size is 15 * 14 * 2.5cm, lightweight and durable, easy to carry. Product Material: Diamond spray paint tool rollers are made of acrylic acid and metal. The rolling surface is flat and smooth, making the rolling smoother. Easy to use: The diamond painting flattening tool can help keep the diamond art stick level without any glitter crossing the boundary. The roller is very suitable for keeping your diamond painting flat and firmly imprinting the diamond on the photo. Widely used: Acrylic rollers can be used as carving surfaces or embossing tools for painting, printing, printmaking, wallpaper, handicrafts, etc. Scrapers can be used for wallpapers, car films, building films, glass stickers, etc.