Our Nuby 360 Degree Wonder Cup is the next step in the transition from bottle to open cup drinking. Specially engineered with your little one in mind, the No-Spill valve opens with lip pressure allowing your child to control the liquid flow rate then automatically seals as soon as your child is done sipping. Features colorful printed design, Easy Grip twin handles for more control and a 360 Degree edge that can be sipped from any side.