Continue your baby's path toward independent drinking with the gerber graduates advance developmental insulated cup-like rim cup. It features a flat, spoutless rim similar to an adult cup to help ease transition. This cup is insulated with the breakthrough arcticwrap insulation to keep drinks cooler for up to 6 hours and 40% longer! The cup features seal zone technology, a unique closing system that ensures the cup is 100% leak-proof, spill-proof, and break-proof, guaranteed. All gerber graduates cups help support healthy motor skill development to foster happy, healthy kids every sip of the way!