This stacking toy doubles as a teether for toddlers. It is particularly good for toddlers   As it promotes early learning and grows with your child as a toy into toddlerhood. The silicone is food grade and does not contain BPA, lead, phthalates or cadmium so your toddler can safely use it for teething relief. 3.7 in based 4.9in. Clean with a damp cloth.