Speed bumps & speed humps - Calm down vehicle speed with a plastic speed bump or rubber speed hump is an effective method to improve the safety of any parking lot or roadway. Can add reflectice tape or cat eyes, easy to have drivers' attention at day and night.Help to reduce vibration when you drive in or out through the ramps, thus to protect your car and terrains.These speed humps are ideal for hospitals,hotels, private colony, malls, parking areas, and high prone accident areas. They are durable with long life and easy to install. Buy rubber speed hump, rubber speed bump, plastic speed hump, plastic bump, sleeping police ramp at best factory price in Chengdu RongXiang Technology Co.,Ltd in manufacturing all kinds of traffic safety equipments.