School Specialty Oral Motor Chew Stixx Tough Bar is designed for children who chew through all of the other chew devices out there. Chew stixx tough bar when used properly provides a safe and bacteria-free alternative for children who chew on shirts, pencils, fingers, etc. Due to the alternating textures of this product, it is an excellent chewable hand fidget for children craving sensory input. Chew stixx combines multiple food simulating textures into one cost effective device. The alternating textures of this product were designed by therapists to simulate the ever changing textures of food, therefore assisting with children who have sensory issues when certain textures are placed in their mouth. Chew Stixx is an oral motor device and needs supervision by an adult or therapist at all times. Durable chew stix should be replaced at first sign of wear.