The Xiaomi Qualitell B2 Stainless Steel Heat-Keeping Water Bottle is the perfect companion for those who want to keep their beverages at the ideal temperature, whether hot or cold, throughout the day. Crafted from premium, food-grade stainless steel, this water bottle is designed to maintain the temperature of your drinks for up to 12 hours. Its advanced vacuum insulation technology ensures that hot drinks stay piping hot and cold drinks remain refreshingly cool.