Fawnmum 2pcs /Box Handheld Hollow Cylinder Orthodontic Bite Sticks(Grape)1. Flexible and bite resistant, no odor 2. Handheld design with grip, easy to use 3. Cushioning hollow design, the handle can be removed 4. Soft and Q bouncy, exercise the biting muscle, soft and hard applicable, no harm to the oral cavity and more at ease 5. Individually boxed, compact and easy to carry, clean and hygienic 6. Suitable for people wearing invisible braces during orthodontic treatment or people who need to exercise their back teeth