Driving has become so crazy in the last 10 years speeding through neighborhoods and parking lots. Our speed bump will force people to slow down and be respectful around your business and neighborhood. 22,000 LBS Load Rubber: This speed bump hump is constructed with industrial-level rubber, which works for a longer time, is recycled, and can hold up to 22000 lbs loading. Besides, bottom shock absorption can control traffic speed while no damage to cars or roads. Our speed bump will not only slow down traffic it also allows you to run cables safely underneath during events and festivals. Major damage is caused to cables when running across vehicle roads. Protecting your cables is priceless. To finish the installation properly you will need to buy the end caps if not running cables. You need one end cap for each end of the speed bumps. If you put 2 or 3 speed bumps together in a row then you still only need 2 end caps. The end caps are sold separately on this listing. We are 100% confident that you will like the quality, size and cable protection that our speed bumps offer. If you have any issues simply return within 30 days for a full refund.