Material: PC Power Source: Rechargeable Battery Material Feature: Latex Free Material Feature: Nitrosamine Free Material Feature: Phthalate Free Material Feature: BPA Free Material Feature: PVC Free Disinfection time: 3 minutes Model Number: USB Car Charge Type: Warmers & Sterilizers Constant temperature: 40 degrees Carrying: Hanging strap design Bottle diameter: between 60mm-70mm fabric: Waterproof fabric