Learning to drink from a straw is an important developmental milestone and this silicone cup helps kids drink from an open cup and safely use a straw. The soft silicone protects your toddler's teeth and makes movements to the mouth more successful. A weighted base and tactile bumps help make sure it doesn't topple over easily.. 3 1/4" x 2 1/2" x 4 1/2" Ages 1 and up Holds 4 oz. BPA-free; BPS-free; PVC-free; phthalate-free; latex-free Silicone Dishwasher safe Imported