1. Made of but high-impact and strengthened plastic material. It can withstand up to 3 ton (6, 500 lb). 2. The tire chocks is designed to stand up to heavy loads and harsh climates. yet stable enough to keep almost any car, or trailer in place. 3. Built-in plastic handle makes it more convenient to carry and hold. plastic wheel chocks with oil- and nonslip provides superior traction, which helps the wheel chocks stay in place and prevents your vehicle rolling away. 4. Fits full width of many tires well, takes up very little space and makes it easy to store whether it's a trunk, toolbox, or even behind the seat. 5. Bright red makes it easy to line up your vehicles and helps you remember them before driving. No unpleasant smell. Material: plastic colour: red Package Contents: 4 x Wheel Chocks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.