Product Description Material: PU, thermal insulation cotton Dimensions: 90mm, 120mm Applicable baby bottles: suitable for baby bottles with a diameter of 6.5-7CM Color: high yellow, high green Quantity: 1 piece Package content: 1*Insulation bottle cover, 1*USB charging cable 1. Milk Bottle Warmer This baby bottle warmer and heater heats quickly and evenly, and it can stretch to accommodate most baby feeding bottles, ensuring ease and safety in use. Applicable baby bottles: suitable for baby bottles with a diameter of 6.5-7CM. The velcro on the back can be adjusted to fit a variety of bottles. 2. Portable and Compact Featuring a small and compact design for easy portability and storage, this is the perfect solution for parents to comfortably, safely, and effortlessly warm the baby bottle while traveling. 3. Sandwich Insulation Design Designed with a sandwich structure for heat insulation, the heat preservation and heating core have been treated for safety assurance. The multi-layer material process is secure, with the outer layer of the protective cover made from high-quality PU, which is soft and skin-friendly, while the heating layer provides consistent warmth. 4. USB Charging Includes a USB cable, making it easy to connect to a power bank, car USB, or laptop port. An additional pocket in the milk warmer allows for the storage of a mobile power supply, enabling you to warm the milk anytime and anywhere. 5. Suitable for Different Materials The portable bottle warmer for travel is designed to heat multiple materials, suitable for plastic, glass, and stainless steel. During operation, the surface of the warmer remains cool, and it automatically enters insulation mode when the temperature reaches 42, supporting 24-hour continuous insulation.