Temperature- and thermal shock-resistant, and durable Does not emit microplastics into the milk Chemical and acid degradation resistant Does not change shape over time, discolor or fade Withstand dishwasher cleaning Our baby bottle is carefully designed for babies and parents. The bottle is designed with the child's needs in mind and is made of borosilicate glass, which is temperature- and thermal shock-resistant, durable, and much more Made of borosilicate glass