A cool collection of chewable non toxic Tread Bangles for Teenagers & Adults.  Available in a range of fun and funky colours! Suitable for moderate to aggressive chewers. Tread lines add sensory stimulation making an ideal fidget toy too. Internal diameter –  6.5cm approx. External diameter – 9cm approx. Thickness – 1.5cm approx.   DURABILITY - 3/3 FLEXIBILITY - 2/3 FIRMNESS - 2/3