Waterproof your leather goods with Nikwax Waterproofing Wax for Leather in Black. This water-based wax is recommended for use on Gore-Tex® and eVENT® products. Environmentally safe and not tested on animals, Nikwax Waterproofing Wax for Leather contains no propellant gases. Intended for use on smooth leather goods, Waterproofing Wax for Leather is easy to use, simply sponge on for lasting waterproof protection.