Naturally shaped, soft, silicone nipples - Ideal for breastfed babies, Wide-neck design for easy cleaning, Safe in: microwave, boiling water, dishwashers and sterilizers, Innovative, 100 percent safe materials, Designed for 3 to 6 months, 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 3 to 6 months