Chewnoodle The chew noodle component is made up of a non toxic silicone tube attached to a light-weight aluminum carabiner which clips onto the shirt for easy access and reduces risk of being lost. The Chewnoodles silicon tube is made from non toxic FDA approved materials. It contains no sulphur or other acid-producing chemicals, thereby eliminating the possibility of staining, corroding, or deteriorating materials it contacts. It is very resilient and stretchable, therefore making the material a perfect tool for chewing needs. Lowest Price - Too Low to Display Click to See!