Our Portable Water Warmer for Baby Formula is made with high borosilicate glass, a food-grade material that is safe, healthy, and can withstand high temperatures. The 316 food-grade stainless steel heating plate is also safer and healthier for your baby. With a 250ml capacity, our water warmer can provide enough water to brew milk powder for your baby. It is perfect for outdoor trips and a great helper for mixing formula milk on-the-go. The adjustable temperature feature allows you to set the temperature between 37 to 55 degrees Celsius to suit different baby formulas. It also supports one-button switching to the commonly used temperature of 45/55 degrees Celsius. The LED screen displays the water temperature for your convenience. Our water warmer is equipped with a large 15000mAh battery that can keep a constant temperature for up to 12 hours. It supports USB fast charging via the type-c charging port, making it convenient to charge with a power bank, USB power adapter, laptop, or car charger. The bouncing cup cover design allows for easy one-handed operation, and the silicone anti-slip pad at the bottom ensures stable placement. Its compact and lightweight design makes it easy to carry during outdoor travel. Key Features: Food-grade materials: made with high borosilicate glass and 316 food-grade stainless steel heating plate 250ml capacity: provides enough water to brew milk powder for your baby Adjustable temperature: set the temperature between 37 to 55 degrees Celsius to suit different baby formulas Large 15000mAh battery: keeps a constant temperature for up to 12 hours USB fast charging: convenient charging via type-c charging port Bouncing cup cover design: allows for easy one-handed operation Silicone anti-slip pad: ensures stable placement Compact and lightweight design: easy to carry during outdoor travel