Features 1. Made of high quality silicone 2. Soft and fleible correction 3. Double layer design 4. Antigrinding function 5. Portable size, easy to carry Specification Description Made of high quality food grade silicone, nontoic and odorless. It is soft and fleible, etremely comfortable to wear. It has double layer design. It should be gripped by the upper and lower teeth when using. It improves the arrangement of the front teeth through the theory of twoway mechanics. You cant talk or eat after using it, so it is mainly used during rest time and bedtime. It has the function of antigrinding, no more worry about bruism. Compact and lightweight, easy to use and comfortable to wear. An ideal item for correcting teeth. Features 1. Made of high quality silicone. 2. Soft and fleible correction. 3. Double layer design. 4. Antignashing function. 5. Portable size, easy to carry. Specifications Item Type Dental Braces Material Silicone Color White Package Weight Appro. 15g Size Appro. 2.8cm 1.10inch Inner Diameter, 4.5cm 1.77inch Outer Diameter, 7.5cm 2.95inch Circumference Package Includes 1Dental Braces Package List