The pressure cooker is made of rust-proof?? heavy-gauge aluminum</br>Features pressure monitoring device in handle?? sure-locking lid system?? and overpressure release valve</br>Dishwasher safe</br>Cuts cooking time up to two thirds</br>Limited 10 years warranty for the pressure cookers and limited 1 year warranty for the replacement parts</br></br>Product Description</br></br>Mirro 92160A 6-Quart Pressure Cooker?? Aluminum</br><br/>http://www.amazon.com/gp/product/B0014CODT2