Introducing our 3 Pack Warning Triangle DOT Approved 17x17-Inch Reflective Warning Road Safety Triangle Kit. These reflector triangles are lightweight and easy to set up yet sturdy and DOT-approved to provide reliable performance when you need it most. Use them to create a safe perimeter around your parked RV or motorhome or as a safety precaution when working on a truck on the side of the interstate or for highway emergency alerts. They also make great gifts for your son or daughter to keep as auto accessories just in case. Well-made and nicely weighted the kit comes in a durable yet lightweight box that stores easily in any vehicle. Constructed of PMMA for scratch resistance and ABS for toughness and impact resistance plus heat resistance. These reflector triangles offer both durability and reliability. With a size of 43.5x43.5cm they provide ample visibility to enhance road safety in any situation.