Rich Quantity and Colors: you will get 8 pieces Y shaped aligners with white, pink, green, orange, purple, yellow, red, blue colors, sufficient quantity to meet your daily use; Proper use of teeth chewing can assist you exercising masseter muscles and protecting against face changes during braces Reasonable Design: teeth aligners' design is practical and distinctive, which have 3 different functional areas, suitable for incisor teeth, fang teeth and molar teeth, making every tooth fully exercised 8 Different Flavors: these aligner tray seaters adopt 8 kinds of flavors, respectively insipid, strawberry, mint, orange, watermelon, blueberry, grape and lemon scented, providing you with a pleasing mood while chewing Soft and Reusable Material: featuring silicone material with moderate hardness, these aligners can be applied repeatedly and easy to clean and hold, saving time and energy for regular ordering, thus you can apply with confidence Individually Packaging for Safe Use: each retainer chew has its own sealed packaging, clean and secure, and retains the taste of the product, so you will not worry about dirt entering