Environmentally friendly and safe materials: seamless stamping and stretch molding process, seamless inner tank, anti-clogging, preventing bacterial growth, safe, hygienic and easy to clean. The inner liner is made of food grade 304 stainless steel and the outer layer is made of PP, which can prevent scratches and protect users from burns. Boil quickly: one-button key switch, press to switch to boiling water mode after power on, it takes about 4-5 minutes to boil, intelligent temperature control, automatic power off, shorten the standby time and save time. Portable and Lightweight: Heated travel mug size: 105 x 105 x 240mm. 400ml is ideal for personal use, small and portable, it can be carried in a backpack without leaking, and you can enjoy hot water, tea and coffee or make milk for your baby at any time. Safety: The anti-scalding double layer ensures that the pot body is cold outside and warm inside, safe heat insulation and pouring water is not hot, and the performance can also be kept warm. You can close the lid to boil water, increase the anti-spill function and prevent foreign objects from falling into the water during the boiling process. 3 in 1 hot water bottle: kettle and thermos bottle and water cup. You can boil water in a body and drink healthy hot water anytime and anywhere, it could be a great gift for your friends who like to drink hot water or coffee, a mother who always needs hot water for baby's milk.