[Material]:The baby milk bottle warmer is made of high borosilicate glass,which is resistant to high temperatures [Portable Design]:The portable milk warmer bottle,with its compact and lightweight design,this baby milk bottle warmer is ideal for outdoor travel [Convenient to Use]Portable glass water bottle,USB charging,the water bottle warmer can charged by laptop,etc.Convenient to heat water anytime and anywhere you want [Fast Charging]:Baby milk warmer glass bottle equipped with USB fast charging technology,you can quickly heat up your baby's milk whenever needed [Gift]:The electric travel bottle warmer is great glass bottle gift for women.Great holiday gift for mom,friends,family