1Pack Speed Bump, size 24 x 20 x 2 inches. Includes 8 expansion screws and predrilled holes for straightforward installation. Durable rubber construction withstands temperatures from 122 F to 302 F, maintaining performance in extreme cold and heat. Nonslip surface with toughness resists aging and deterioration. Splicable modular design lets you adjust the length to fit your space. Suitable for indoor and outdoor use in parking lots, schools, gas stations, industrial areas, commercial spaces, and residential neighborhoods. visibility safety design with bright yellow and black colors and enhanced reflective properties; clearly visible at night to remind drivers to slow down and improve safety for pedestrians and vehicles. Applications include driveways, parking lots, and roadways; suitable for both residential and commercial use to improve traffic management and pedestrian protection. Installation ready: 1pack includes 8 expansion screws and predrilled holes for quick setup. Use scenarios: In a residential driveway or small business parking lot to regulate vehicle speeds near pedestrians. At school entrances or campus parking areas to reduce risk in pedestrianheavy zones. In industrial yards or gas stations to delineate lanes and maintain safe speeds in harsh environments.