Tapco rubber speed bump. Permanent with 4 lag bolts for concrete installation. Use with reflective striped cats-eye reflective. Manufactured from earth- friendly, 100 percent recycled tires. Embedded "cat's eye" reflectors enhance visibility and alert drivers well in advance. Pre-drilled for anchoring spikes. Resistant to UV, moisture, oil and temperature. Easily handled and installed by one person. Flexible, conforms to uneven road surfaces. Black with yellow diagonal stripes (Chevron). 5-year warranty. Measures 6-feet length by 12-1/4-inches width by 2-1/4-inches height.