LION Rubber Undercoating & Soundproofing Spray offers a tough rubber shield of protection that not only seals out water, but helps make your car soundproof and protects the undercarriage from rocks, stones, and other road debris , quick-drying adhesive that allows you to get going fast, knowing that you have done everything you can to make your car quieter and protected from dust, rust, fumes, heat, and debris. Features Offers a tough rubber shield for protection Quick drying adhesion Seals out water Helps make vehicles soundproof.