Baby’s Brew was founded and designed by a mom on a mission to make feeding on-the-go fast and easy. The Baby’s Brew portable baby bottle warmer is the first ever portable bottle warmer and is designed to provide the ultimate feeding experience for your baby whether you're at home, running errands, or on a remote hike. The sleek, food-grade stainless steel and leak-proof design means that parents can heat water for formula or breast milk right in the bottle of their choice, with no transferring or messy spills. Our warmers are re-chargeable, and have a long battery life. Warm up to eight 6-ounce bottles on a single charge. Opened and tried once