Powerful enough to protect fabrics in the harshest outdoor environment. 303 High Tech Fabric Guard helps keep your gear looking like new. Restore lost water repellency and stain repellency without affecting the breathability of the fabric. Use after cleaning fabrics to revive water repellency and stop leaks. Helps repel dirt, grease, water, oil-based stains and UV rays. Non-toxic and odorless formula is easy - spray on, let dry.