Thinkbaby Stage A Twin Pack w/ Venting - No Spill Design Thinkbaby Stage A Twin Pack w/ Venting - No Spill Design is one design that reduces the number of nipple variations and reduces the challenge to identify the flow rate that works best. This no-spill nipple comes with a venting system that's built right into it so that there're no extra pieces to clean or to potentially lose. Why You'll Love It: The cross-cut design on these nipples help eliminate the large amount of mess that occurs during feeding and also mimics the way children feed during breastfeeding. Age: Newborn to 6 months Features
- No-spill cross-cut design
- No extra pieces to clean or lose
- Mimics the way children feed during breastfeeding
- Babies apply pressure and nurse to receive fluid
- Vented nipple helps reduce incidence of gas and spit up
- Unique one-piece design eliminates tricky assembly