Max Wax Zipper Lubricant & Protector McNett Max Wax is a nontoxic, silicone-based zipper lubricant in a solid stick form. Max Wax provides maximum lubrication and protection for plastic, nylon, or metal zippers on gear bags, soft crates, luggage, sleeping bags, tents, backpacks, and more. Prevents zipper jamming. Maintains, protects, and prolongs zipper life. Waterproofs, seals, and prevents against abrasion, making Max Wax particular good for situations where gear is exposed or submerged in water.