Bright and alarming black-and-white "Speed Limit 15 MPH" sign will help remind the drivers that they need to slow down on driveway. 18 x 12 inches, made of sturdy and strong Engineer Grade Reflective Sheeting, Rust Free Aluminum. Our Heavy-duty rustproof aluminum signs can withstand inclement weather without fading. Outdoor service life up to 10 years. 4.Our sign has 2 pre-drilled holes at the top and bottom for easy mounting on every surface including walls, fence，poles and gates. No need for adhesive or special equipment. Reflective signs illuminate when struck by light from headlights or any other source and is hard to ignore. This makes the message readable even in the dark . Our “Speed Limit 15 MPH” sign with a reflective coating is very visible and will definitely get people's attention, alerting the driver to slow down. ➤ Number of Items: 2 ➤ Size: 12" x18"rectangle, sleek, rounded corners ➤ Material: Engineer Grade Reflective Sheeting, Rust Free Aluminum ➤ Easy Mounting: 2 pre-drilled holes at the top and bottom for easy mounting on any surface ➤ Long lifespan: Outdoor service life up to 10 years ➤ Notice: This sign does not included screws, nails, zip ties foam adhesives and other accessories.