Easy transition from bottle to cup. 100% spill proof. Soft silicone sprout. BPA free. Easy to carry Travel clip. Soft silicone spout is optimally shaped to support the transition from bottle to cup. Compatible with NUK Smooth Flow bottles. NUK Active Sippy Cups help you easily transition your baby from bottle to cup. This unique cup is ideal for children who are ready to drink from a cup without handles but they prefer a soft nose gentle on teeth and gums. All NUK Active sippy cups are ultra-lightweight and feature a convenient clip making them easier to carry by both parents and children. The cup is sealed splash-proof and guaranteed to be burglary-proof so you will be happy and clutter free. The cup also comes with a lid to keep the spout clean and germ-free when you're on the road. NUK Active sippy cups are BPA-free They can be washed in the dishwasher and are recommended for children from 8 months.