PRODUCT MATERIAL: Traffic speed bumps are made of rubber material. Thickened rubber makes the lane speed bump structure more solid and stable, it will not deform under any pressure, immediately return to a stable state, and will not fade STRONG LOAD-BEARING CAPACITY: Solid back design has a strong structure, enhances stability, reduces noise and vibration, no damage to cables or roads, can bear 110231 lbs SAFETY DESIGN: This speed bump is made of rubber, and the cable ramp protector has raised points and textured strips the surface to safe passage of vehicles. The bottom shock absorption can control the speed without damaging the car or the road CABLE HOSE PROTECTOR: Road speed bumps are designed to control traffic speed and have 2 integrated channels to protect cables from damage by pedestrian and vehicular traffic WIDE RANGE OF USES: Suitable for highways, parking lots, hospitals, home stairs, factory material handling, stairs, hotels, shopping malls, streets or other areas