Safe and Safe Hot Drinking Water Bottle: The water bottle is made of food-grade 304 stainless steel material, capacity 350/500ml, eco-friendly and non-toxic, BPA free.*Travel mug size: small and portable, you can take it with you anywhere, and it is airtight and leak-proof, allowing you to enjoy hot water easily.* Multi-scenario water bottle application: can be used for sports, going to work, going to the beach, school, office, traveling, driving, climbing, fitness.*Double Wall Vacuum Insulation: Double wall vacuum insulation design, excellent thermal insulation performance, keeps your drinks cold/hot for a long time, making it the perfect sports or commuting water bottle.* Stainless Steel Thermos Bottle: It can be given as a gift to others, it can be a birthday gift or a holiday gift, it will be a good choice