| Justrite 6 ft Plastic Speed Bump Standard without Hardware, Yellow, SB6S Justrite 6 ft Plastic Speed Bump Standard without Hardware, Yellow, SB6S They are maintenance free and can easily be installed by one person.They will not chip or crack under heavy loads and are built to withstand abuse from gas, oil, salt, sunlight, and chemicals..

.They will not chip or crack under heavy loads and are built to withstand abuse from gas, oil, salt, sunlight, and chemicals.

.They will not chip or crack under heavy loads and are built to withstand abuse from gas, oil, salt, sunlight, and chemicals. | Justrite 6 ft Plastic Speed Bump Standard without Hardware, Yellow, SB6S Justrite 6 ft Plastic Speed Bump Standard without Hardware, Yellow, SB6S They are maintenance free and can easily be installed by one person. Checkers™ Speed Bumps are molded in solid colors and never need painting.