Reddit reviews Speed Bump, Black, 2" Height x 10.5" Width x 36" Length

Black plastic speed bump for roads, parking lots, garages, and other paved asphalt or concrete surfacesMade of 100% recycled PVC for flexibility and to resist chipping, rot, and corrosionEmbedded yellow reflective safety plates for visibility of speed bump in dimly lit environmentsIncludes one sloped safety caps that can be snapped on to the ends to help prevent trippingHas two 1 x 1.5 inch (H x W) channels on the bottom for covering and protecting cables or hoses