DryTide Zipper Lubricant for Waterproof Zippers DRYTIDE Waterproof Backpacks, Duffels and Dry Bags What lube to use on linear rail bearings and how often to apply it? Zipper Lubricant Stick Zipper Lubricant Stick No more stuck zippers! The Gear Aid Zipper Cleaner and Lubricant is designed to remove sand, dirt and salt deposits that can make a zipper stick. This zipper lubricants handy brush top removes debris Linear Ball Bearings NSK Automation