APRIL ANNUAL RUSTPROOFING is a premium quality automobile rustproofing made with pure virgin base oil, premium quality paraffin, powerful rust inhibitors and APRIL NANO 1™ lubricant technology for unsurpassed metal penetration, adherence and protection. Suitable for both new and used conventional, hybrid and electric vehicles. Does not drip, crack, damage rubber or vinyl, and has a pleasant odor. Vehicles must be clean and dry, product must be stirred before using and applied with an air pressure spray gun. Do not apply to fiberglass. Use only in well ventilated areas away from sources of ignition. Available in amber (interior) and black (exterior).