SummaryAvoid Changing Face Shapethe aligner chewies are made of quality siliconeOrthodontic Chewies is made of high-quality silicone materialUse of aligner tray seat chewies can better adjustDentsply - Chewies for Aligner Trays (2 Pineapple Chewies per Bag) DescriptionTwo chewies per bagIndividual tamper-proof bags, hygienic and easy to useHelps with the seating of clear aligner trays and Invisalign alignersMade in the USA Obvious effect: the aligner chompers with the comfortable design of scientific characters exercise the masseter muscle, effective prevention of deformities caused by braces, makes teeth more fit Safe material: the aligner chewies are made of quality silicone, they are more durable and without BPA, safe for you to use Nonslipping: you can chew the aligner chewies in any part of your mouth easily and no need to worry if they will pop out Size: the dimension of the chewies is about 1.3 inch in length and 0.39 inch in diameter, the proper size makes the chewies fit your mouth and bites effortlessly Material: Orthodontic Chewies is made of high-quality silicone material, provide you with a safe, soft, and harmless chewing experience. Avoid Changing Face Shape: Use of aligner tray seat chewies can better adjust and wear aligner tray, avoid changing the face shape in the process of wearing braces, and also make the teeth fit well. The aligner chompers not only hold the braces but also exercises the bite muscles without sacrificing their wear time to ensure sufficient bite movement. Easy to Use: Step 1: confirm the position of wearing aligner, step 2: adjust and press the aligner, step 3: bite the chewie from left to right with your teeth, step 4 clean the chewit after use.