The anatomical nipple is designed to mirror your baby's mouth shape for a secure and organic fit. While the rounded head supports the natural sucking technique, the flattened bottom allows for a gentle tongue placement that requires a medium amount of oral strength. Anatomical:  designed to mirror your baby's mouth shape for a secure and organic fit,- Available in natural rubber latex, a material that mimics the soft feel and,texture of a mother’s nipple,- Made from safe food-grade materials, free from BPA,- Circular shield curves away from the delicate skin around the mouth to,prevent moisture buildup and irritation,- Nipple valve releases air to shape naturally to your baby's oral cavity,- Designed and made in Denmark,- Complies with the European Standard EN 1400+A2