Even the original Safe Sippy! This is the same great stainless steel sippy cup with the added feature of a straw adapter that instantly converts your sippy cup to a straw bottle in seconds. The valve is super easy to clean preventing any drink residue building up in cracks and crevices. Not to mention, it's spill-proof, even when you shake it upside down! Features: No-spill valve Travel cap for keeping the spout clean Safe 11oz. non-leaching stainless steel bottle Free of BPA and phthalates Removable handles Travel plug for the spout to prevent fluid from dripping into your bag Dishwasher safe Insulated easy grip outer sleeve Straw adapter that instantly converts your sippy cup to a straw bottle Â Stainless steel Safe Sippy cups were born of functional necessity and conceived with children's health in mind.Â Created in response to the growing body of scientific evidence about the dangers of toxic chemicals found in many plastic and aluminum bottles, every Safe Sippy cup is manufactured with one simple goal in mind: Clean in / Clean out.