The ChewNoodle component is made up of a non toxic silicone tube, eight inches in length and 1/2 inches in diameter. It is attached to a light-weight aluminum carabiner. The Chewnoodle’s silicon tube is made from non toxic FDA approved materials. It is easy to care for by hand-washing with warm soap & water or an occasional wash in the top rack of the dishwasher is fine too. Discard at first signs of wear & tear
