Replacement silicone bag for the Zerø.Zerø™ Bottle. Available in small and large sizes.  fostering a more natural and harmonious feeding experience that goes one step further to help minimize bottle rejection and nipple confusion while mixed breast & bottle feeding. The #1 anti-colic bottle in Spain, the Zerø.Zerø™ range promotes a peaceful and natural feeding journey for baby, free from discomfort and confusion. Created to make bottle feeding feel as close to breastfeeding as possible for the baby, it's a testament to the harmony between innovation and nature, allowing all family members and loved ones to participate in the feeding experience, without straying from the breastfeeding path. Consistency is key, and that is why our Zerø.Zerø™ bottle is designed with the same nipple shape, shade and feel as the Zerø.Zerø™ pacifier, reinforcing the consistency of switching seamlessly between breast, bottle, and pacifier. The Zerø.Zerø™ bottle and pacifier are designed as a seamless system to reduce nipple confusion by promoting a consistent experience for baby.