1. FAST AND EQUAL HEATING: The baby bottle warmer heats up quickly and evenly to maintain a constant temperature of mother's milk during charging. 2. Compact and portable: Small milk bottle heater designed with a leash for easy carrying and storage, ideal for use at home or in the car. 3. REGULATED: This feeding bottle warmer has special strong Velcro closure around the edge and can be matched to most baby bottles. 4. MULTI POWERED: Simple and modern USB bottle warmer with standard C connector, can be powered from mobile device, laptop, charger, etc. 5. PREMIUM MATERIAL: Baby milk bottle warmer is made of the highest quality polyester material, safe and non-toxic, not easy to deform. Specification:Item type: milk bottle warmer bag Material: polyester, electronic components Function: 1. FAST AND EQUAL HEATING: The baby bottle warmer heats up quickly and evenly to maintain a constant temperature of mother's milk during charging. 2. Compact and portable: Small milk bottle heater designed with a leash for easy carrying and storage, ideal for use at home or in the car. 3. REGULATED: This feeding bottle warmer has special strong Velcro closure around the edge and can be matched to most baby bottles. 4. MULTI POWERED: Simple and modern USB bottle warmer with standard C connector, can be powered from mobile device, laptop, charger, etc. 5. PREMIUM MATERIAL: Baby milk bottle warmer is made of the highest quality polyester material, safe and non-toxic, not easy to deform. Specification:Item type: milk bottle warmer bag Material: polyester, electronic components