* 22 X 3 X 1", 12 to a Pack. Versatile uses: 1. Shelf lip stopper; 2. Shelf Divier; 3. Floating Wall Narrow Shelf. Use at homes and retail stores. * Pre-drilled 3 holes. Use screws to mount to your wall or shelves. If you are mounting this to your shelf and do not want to use screws, you can also use doublesided foam tape of your choice. ��screws etc not provided) * Made from quality clear acrylic that is 3mm (1/8") thick. * Easy to install, and almost invisible to the eye. If your dividers come with protective film, please peel off before use. Non-continental customers, please contact us for additional freight to your area.