• Provides warm water and milk for the baby, ideal for avoiding stomach problems caused by cold milk. • Compatible with various 5V 2A mobile power sources, including car chargers and charging heads. • Keeps milk warm for a long time, especially useful in cold climates. • Convenient and safe solution to keep the bottle warm while traveling by car. • Versatile use for shopping, travel, picnics, and other places with children, allowing you to keep milk warm anytime and anywhere. • Works well with plastic and glass bottles. • Includes a USB cable to connect to power banks, vehicle USBs, laptop interfaces, or adapters. • The additional pocket allows you to place a power bank to warm the milk anywhere. • Material: Cotton and spandex blend. • Approximate size: 28 cm x 13 cm.