Overview: Application: The baby bottle warm cover is suitable for shopping, travelling, picnicking and more Adjustable: The milk bottle warmer can be adjusted to fits most baby bottles Feature: The baby bottle heater is accurate, portable and convenient to use with the USB cable Material: Made of high quality faux leather and heating film, the travel bottle warmer is durable Specification Battery Type: Polymer Lithium-Ion Battery Applicable Type: General Type Shell Material: Plastic Additional Features: Hand Warmer Color: Butter Green, Cherry Pink Package Content : 1 x Baby bottle warmer 1 x USB cable