Introducing our new product - the Mini carry-on hand warmer warm baby warm water bag water injection safety explosion-proof silicone hot water bottle PVC warm water bag! As a factory manufacturer, we strive to provide top-quality products. This portable hand warmer, made of high-quality silicone material, ensures safety and explosion-proof performance when injecting warm water. Designed to keep babies warm and comfortable, it serves as an ideal companion. With its compact size, it easily fits into carry-on bags. Stay cozy and worry-free with our factory-made hot water bottle!