The new Philips Avent 9-ounce Natural Bottle provides the most natural way to bottle feed. The wide breast-shaped nipple promotes a natural latch-on to easily combine breastfeeding and bottle feeding.

• Unique comfort petals inside the nipple increase softness and flexibility without nipple collapse
• Innovative twin valve anti-colic newborn-flow nipple helps newborns feed comfortably and easily
• Ergonomic shape comfortable for parents to hold and easy for small fingers to grasp
• Simple assembly
• Wide bottle neck makes filling and cleaning easy
• Works with all nipples and caps from the Natural line
• Includes Slow Flow nipple
• Advanced anti colic system with innovative twin valve
• Age range: 0 months+
• Color: Clear
• Compatible with all Natural Philips Avent bottles and parts
• Ounces: 9
• Materials: BPA-free polypropylene, silicone
• Dimensions: 7.2 inches high x 2.9 inches wide x 2.8 inches deep

Size is listed as US