G2S 2019 Our plastic plates glide smoothly and silently over obstacles, offering great protection in rough terrain. Made of 1/4tum (6 mm) thick abrasion-resistant thermoformed High Molecular Weight Polyethylene (HMWPE). Lighter than aluminum. Superior stress crack resistance. High impact strength.Includes: A-Arm Protectors, Underbelly Plates and Trailing Arm Protectors.