Bolli sensory teether is a soft openwork ball made of safe silicone. Toy is extremely flexible and flexible. Thanks to this, the child can stretch, squeeze and crush it - the teether always returns to its original shape. Playing Bolli teether lets your child practice manual and hand-eye coordination. Soft silicone brings relief to itchy gums. Teether is easy to keep clean. To bring additional relief before serving your child you can cool it in the fridge.