This product is a set of orthodontic gum stick for tooth care. Comfortable grip for better holding and easily reach the back teeth. Made by material and helps with the seating of clear aligner trays. Features - Color: Green. - Material: Silicone. - Size: About 3.3x1x1cm. - and high quality. - Exercise the masseter muscle to effective prevention of facial deformities caused by braces. - It provide a chewing device that can beused alongside braces and help patients seat alingners correctly. - With a storage box, easy to take out. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you