Extang introduces the industry's first powerful UV Protectant specifically formulated for vinyl truck bed covers. Protect your truck bed cover with Extang Tonno Tonic! Quickly cleans, beautifies and protects in one easy step. Made with a powerful UV protectant. Tonno Tonic can be used on any vinyl, rubber, fiberglass, plastic, or leather surface. Does an outstanding job on tires and will not harm alloy wheels. Uses the world's most effective UV screening formula. 100% Safe for all vinyl tonneau materials regardless of manufacturer---the only cleaning solution officially approved for Extang tonnos. Tested and approved by Extang---the leader in tonneau sales in America. A must-have for harsh weather conditions.