The revolutionary philips avent drinking cup helps your toddler transition to grown up drinking without the mess the unique spill proof valve is lip activated and allows drinking from all around the rim just like an adults cup trainer handles help your toddler to hold the cup and drink independentlythis spoutless strawless cup allows drinking from all around the rim just like an adult cup it encourages your toddler to get used to grown up drinking without the mess the unique valve is a