1. Ensure zip is free from dirt, salt and debris, and is completely clean and dry.
2. Spray silicone lubricant onto zip using application nozzle. Don’t worry if you get silicone on the fabric around the zip, it will not cause any damage.
3. Run the zip to check for smooth operation, apply more silicone lubricant if required.
Note: it is always best to maintain the best practice of washing and drying all equipment when you return from a trip, before putting it away into storage.