moothly transition from bottle to sippy cup with the NURSH Transitional Sippy Lid. Designed to perfectly fit NURSH bottles, the silicone spout transforms your existing NURSH bottle into a sippy cup. Made from 100% silicone, these lids are dishwasher and sterilizer safe, making cleaning a breeze. It’s like magic, but without all the smoke and mirrors. Features: -Designed to perfectly fit NURSH bottle shells, giving you an instant range of colorful sippy cups. -EASY TRANSITION: Using the bottle shell your child is already familiar with helps ease the transition from bottle to sippy cup. -100% SILICONE -Made without BPA or PVC