Adiri Natural Nurser Ultimate Baby Bottle Stage 2 Two-Pack. Soft. Safe. Simple. Revolutionary Breast-Like Baby Bottle. 100% bisphenol-A and phthalate free Introducing the birth of the Adiri Natural Nurser 2-Packs, a 2-bottle pack of Stage 2 bottles packed in a striking, eco-friendly recycled paper box. One Package contains TWO stage 2 blue 8oz bottles. Medium Flow Stage 2 Nurser 3-6 Months 8 oz Introducing the ultimate baby bottle: the world's most breast-like bottlefeeding experience. Reduces Colic! Soft: Natural breast-like material and shape reduces nipple confusion. Safe: 100% polycarbonate-free bottle is leak resistant and dishwasher safe. Simple: Easy Fill Twist and Feed system prevents lost parts and assembly hassle. Discover how simple feeding your baby can be. Leak-resistant Petal vent protects your baby from ingesting extra air bubbles which can lead to painful colic. Designed with the help of doctors, moms, and lactation consultants.