WORRIED ABOUT CHOKING? : the PATENTED, non-invasive suction rescue device that can save a life in an air obstruction emergency. Beware of copycats! EASY TO USE: The was designed to be easy to use. Easy enough that if you live alone, you can use on yourself in a choking emergency. NO PRESCRIPTION REQUIRED: This one kit covers children and adults. The duration of suction is minimal so is safe and effective. YOUR PURCHASE INCLUDES: One Complete with Patented One-way Valve, One Pediatric Mask, One Adult Mask, One Set of Instructions for using. NEVER EXPIRES: The device will NOT have to be replaced unless used to save the life of a choking victim. Only the masks will need to be replaced every 2-3 years.