Revivex Spray-On Water Repellent totally restores outerwear water repellency, when DWR coating wears off. This easy-to-use formula lasts 3x longer than other leading brands. Safe, water based, non-flammable and non-toxic.Restores outerwear water repellency when DWR treatment wears off. Lasts three times longer than other leading brands. Safe, water based, non-flammable and non-toxic. Easy to use on all machine washable/tumble dryable outer garments. 5 fl. oz. bottle treats 1-2 garments. Instructions: 1. Machine Wash: Close all zippers. Wash garment in warm water without detergent. If garment is heavily soiled, wash with detergent and rinse twice. 2. Spray: Place the garment on a hanger. Shake bottle well. Hold 6"-12" from garment and spray exterior of garment. 3. Tumble dry: Dry separately on medium heat for 60 minutes. Do not air dry.