King Systems redefined the anesthesia face mask market when it introduced its original King Mask, Big Blue - an inflatable, round, latex-free and scent-free face mask in 1985. Over the last 25 years, King has set the industry standard with this innovative breathing face mask. It offers many unique features including comfort to the patient and safety to the practitioner. Performance: Designed with the clinician and patient in mind Comfort: Inflatable cushion and rounded edges offer optimal comfort - Round design and six sizes fit nearly every patient Fresh Scent™ masks provide natural mint oil scent to relax patients - Pediatric Sweet Dreams™ masks are available in strawberry, cherry, and bubble gum to reduce anxiety in children before surgery - Leak-proof Seal - Supple cushion surface delivers a full-face seal with minimal pressure.