Avent Natural Glass Bottle Silicone for 3 Months+ this feeding bottle comes with a petal designed teat that imitates natural breastfeeding and helps your child associate breast with bottle feeding, for a smoother transition. n Its broad design increases flexibility, thereby giving your child control over the pace at which the milk flows.n The soft silicone nipple has a unique valve system that reduces the risk of colic by making sure the consumed food isn’t laced with air. n The nipple is composed of soft silicone while polypropylene is used in the making of the bottles. They prevent plastic associated toxins from entering into the milkn Ergonomically designed with a wide neck and simple to assemble parts.n The glass baby bottle is resistant to heat and shock, enabling you to place it in the fridge, warm or sterilize it. n The glass baby bottle with a capacity of 330ml is ideal for infants 3 month and above.