- Naturally shaped, soft, silicone nipples - Ideal for breastfed babies^Wide-neck design for easy cleaning^Safe in: microwave, boiling water, dishwashers and sterilizers, Innovative & non-leaking anti-colic vents, Squeezable, soft, skin-like texture for happy baby^100% safe materials: BPA, PVC, Phthalate free^Designed for newborn to 3 months