The basics OxiClean Max Force Foam Gently Lifts Stains & Grease including on Washable Delicates! The benefits OxiClean Pretreat's best formula is Tough on Stains, Gentle on Clothes. The uses Thick foaming action penetrates fibers to remove stains. Tackle the toughest dried-in stains! The bottom line Added grease dissolving power. Contains 9 fluid ounces.