This adult model is made of durable vinyl plastic with rust-resistant stainless steel skeleton, articulated joints. When filled with water, 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.