Features1. USB Charging Design:The baby milk warmer can be used for portable power banks, charging plug, USB interface for the car, portable and safe2. High Quality Material: The bottle heaters is made of high quality polyester and silicone alloy heating wire material, which is safe and3. Portable and compact: Small and compact design for easy transport and storage. The perfect solution for parents to warm the baby bottle comfortably, safe and easy while driving.4. Widely used: The baby bottle warmer can be used on a variety of materials, e.g. on water cups, mineral water bottles, milk boxes, etc.5. If you have any question, please feel free to contact usNotice:1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Net weight: 90gSize: 29.5cm*13.7cm*1.0cmHeating sheet: voltage 5V, current 1.8A, temperature 40-60Material: polyester fabricHeating sheet material: silicone alloy heating wireInner diameter: 55MM-75MM