Dr.Weil Baby products are free of toxic chemicals, containing no BPA or phthalates. They are designed to reduce colic, burping, gas and spit-up, and undergo stringent quality control measures to ensure total compliance and cleanliness standards. The bottles and cups are easy to clean, are dishwasher safe and unlike other bottles, Dr. Weil baby uses an easy-to-clean, one-piece venting system. They are leak-free and also heat- and shatter-resistant, and bring fashion to feeding with a sleek, contemporary design.