What You Get: You will get 4 pieces Y shaped aligners with white, pink, green and purple colors, and sufficient quantity to meet your daily use; Proper use of teeth chewies can help you exercise masseter muscles and protect against face changes during braces. Unique Y-handle Designed: Dental chewies y-shaped easy to hold and will not fly out of your mouth. Easy to use, chew on the dental chewies for aligners, making sure to bite down into the designated groove for each position in your mouth until your aligner stops shifting. Four Flavors Choice: No flavored(white), mint scented(green), grape scented(purple), strawberry scented(pink). 3 Corners: Orthodontic chewies 3 corners have different card slot designs, each design can help the alignment of specific parts in different positions, help assist with soreness and just all around discomfort from wearing aligners. Ideal Material: These aligner chewies are made of silicone with moderate hardness, which can be applied repeatedly and easy to clean and hold.