Put the days of spills and leaks behind you with Nuby's Wonder Cup! Leak-proof and easy to use, the 360° Wonder Cup features a soft silicone rim with a pressure-sensitive Touch-Flo valve that regulates fluid intake. The rim's design prevents drips and spills while allowing your child to comfortably drink from any side. This set of three cups comes with interchangeable lids to spark your child's creativity as they mix and match. The Nuby Wonder Cup is easy to clean, making it the perfect cup for both parents and beginner self-feeders. All Nuby products are made of safe, durable materials and exceed all government safety regulations.