The BIBS Baby Bottle is carefully designed for both babies and parents. Made from borosilicate glass, it is extremely durable and heat resistant, ensuring it does not emit microplastics into the milk. The bottle features a round natural rubber latex nipple with a slow flow rate, recommended by midwives to support natural breastfeeding. All parts are made of 100% safe food-grade material, making it a reliable choice for feeding your baby.