Help seat aligners correctly: our aligner tray seaters are helpful to seat aligners correctly and can make an easy adjustment to your aligner trays when wearing clear aligner traysAvoid changing face shape: you can avoid changing face shape during the process of wearing braces by using the aligner tray seater chewies, also useful to make your teeth fit wellAbundant quantity: this package comes with 3 pieces aligner chewies in total, adequate quantity for you to use, you can also share them with your families and friendsNon-slip design: these aligner seater chewies are non-slip that you can chew them in any part of your mouth easily without worrying about them popping out, safe silicone material provides soft and harmless chewing experience for you5 Color choices: the seater chewies are designed in 5 different colors and flavors; white is unscented, pink is strawberry flavored, green is mint flavored, purple is grape flavored and yellow is orange flavored, you can choose any color according to your needs