Say hello to the Zerø.Zerø™ bottle, the revolutionary best-selling baby bottle from Spain! Whether you're breastfeeding, supplementing with formula or mixed-feeding, this bottle is for you. Designed for your little one’s first feeding experiences, this bottle was specifically crafted for newborns to most closely resemble natural breastfeeding and work for you no matter what. Our unique asymmetrical nipple, off-center vent, collapsing silicone bag and adaptable flow expertly mimics the natural function of mammary glands, so you can easily switch between breast and bottle without nipple confusion or bottle rejection. We believe every family should have options when it comes to feeding their little one, which is why our bottle is designed to suit every preference. Zerø.Zerø™ stands for zero colic and zero nipple confusion, making it the perfect bottle for a worry-free feeding experience, no matter which route you take.