When exposed to continuous sunlight for two weeks, waterproof gear can lose up to 50% of its strength. With Nikwax's Tent & Gear Solarwash, you can prevent this damage and breathe new life into tents and gear that is beginning to show signs of deterioration.Spray on waterproof protectorGuards tents and gear from harmful UV lightIncreases strength and durability of waterproof gearPFC-free, water-based formulationVolume: 500ml