DIMENSIONS: 15.7 inches (40cm) in height and 7 inches (17.5cm) in width, Concrete Sheet 0.24 inches (6mm), Acrylic 0.12inches (3 mm) / marine plywood 0.2 inches (5 mm) Quick and easy installation. The plaque has four pre-drilled holes, and it's supplied with four chrome screws length of 1.7 inches (43 mm), rawl plugs, and four decorative Discs Caps - 0.6 inches (15 mm) in diameter, All installation hardware is included You can choose any color combination from my color chart to make it more unique, please scroll down to see my other available designs, sizes, or materials I am here for you and I offer the opportunity to create personalized and unique products tailored just for you or your loved ones If you have any questions about my sign, please contact me directly and I will be happy to assist you The Plaque is made of two layers, the top Concrete layer (0.24 inches - 6mm) with cutout numbers or letters and the acrylic (0.12 inches - 3 mm)/plywood ( 0.2 inches - 5 mm) color of your choice at the back. ( Please find the color chart in my listing pictures )