This adult model is made of durable vinyl plastic with rust-resistant stainless steel skeleton, articulated joints, and optional CPR capabilities. When filled with water, CPR manikin will submerge to the neck. Add additional 5-10 lbs. of weight to sink (weights not supplied; a brick will do). Includes 5 mouth/nosepieces, 5 airway systems, and shorts. Size: 65″ x 23″ x 9″. Three-year warranty.