10.25 OZ, Rust Reformer, Instantly Bonds With Rust & Transforms It To A Non-Rusting, Flat Black Paintable Surface & Prevents Future Rust, Saves You The Effort Of Sanding Rust All The Way Down To Bare Metal, Spray In A Steady Back & Forth Motion, Slightly Overlapping Each Stroke, Keep The Can In Motion While Spraying, Instantly Converts Rust To A Protected, Paintable Surface, Prevents Future Rust, Any-Angle Spray With Comfort Tip.