Functionality: 1.Wearing orthopedic devices can distort your face. Use this product every day to prevent your face from becoming deformed. 2. Food grade material, safe and hygienic, durable and has a long shelf life. 3.Adjust the braces tightly to the tooth surface, in order to get better corrective effect. 4.Vacuum packaging, safe and secure and offers different flavors. 5.It adopts quality non-toxic silicone material and you can use it safely. Specifications: Condition: 100% brand new Item type: Chewies Material: Silicone Quantity: 3pcs Optional color (flavor): white (milk), green (mint), purple (grape), red (strawberry) Suitable for: dental orthodontics Weight: approx. 8 g/0.3 oz How to use: 1.First, make sure the orthodontic appliance is in place. 2.Hold the jaws and bite on the side of the mouth on the other side to make sure each tooth can bite. 3.After using the chewies, wash them with water and put them back in the package to avoid contamination and loss. List of packages: 1 x bag of chewies (3pcs)