Mirro pressure cooker/canner provides quick even heating in 2/3 of normal cooking time. Rust-proof, dishwasher safe, and made of polished heavy-gauge aluminum construction. The pressure monitoring device is built into the handle and the locking handle safety feature prevents opening under pressure. Features an overpressure release valve and gasket release window for safety. The pressure control clearly identifies when proper pressure has been reached. 10 year limited warranty.