Contents: Includes 2 mouthpieces - Size #1 (+2mm jaw adjustment), Size #2 (+6mm jaw adjustment) and a 1.5oz bottle of dental appliance cleaner; We recommend new customers try both sizes to determine which one stops your snoringSoft, Lightweight & Comfortable: Living hinge technology with an open front design allows you to move your jaw freely and breathe naturally; Initial discomfort and jaw soreness are normal and tend to improve over timeOral Appliance Cleaner: Works great for any type of dental appliance, removing 99.9% of residue and odors in just 60 seconds; Mint scented, BPA and chlorine-free; The 1.5oz pump is easy to take on the go and TSA compliantConvenient: Ready to use out of the box - no boiling or molding needed; Dentist designed, FDA-cleared and approved for OTC use; Made in the USA with BPA and latex-free medical grade materialEffective Snoring Relief: Targets the root cause of snoring by slightly advancing your lower jaw to keep your airways open while you sleep; Provides immediate snoring relief and all-night comfort so you and your partner can enjoy restful sleep