Introducing the Bellababy Instant Baby Bottle Warmer, a must-have for all new parents. This innovative device allows you to warm your baby's milk or formula in just minutes, without the hassle of boiling water or waiting for it to cool down. 4oz bottles and 8oz bottles. Equipped with a touch screen display and adjustable settings, this portable warmer ensures that your baby's food is always at the perfect temperature. Plus, it features an automatic shut-off function for added safety and convenience. Whether you're at home or on-the-go, the Bellababy Instant Baby Bottle Warmer is the ideal solution for busy parents. BPA free. We used this for about 2 weeks. It?s still new with no signs of wear. Came in very handy especially at night. Adjustable setting for water temperature.