Inner stainless steel layer: Crafted from BPA-free, phthalate-free, toxin-free, high quality 304 stainless steel. Cause no harm to your health. An environmentally friendly sports water bottle to keep you healthily hydrated, suitable for kids and adults. Combined with its durable inner container, have airtight seal that helps prevent heat from escaping.Vacuum insulation technology: Double walled insulated design, with stainless steel casing and unbreakable inner container. Guaranteed to be leak proof and durable, maximize at the right temperature maintain drinks and soups temperature. Keeps hot for 12 hours and cold for 24 hours. Great for travelDurable and Practical Design: It features a carry handle and an insulated cap that can be used as a cup. Pouring yourself a drink is super simple. Unscrew the vacuum flasks insulated cap, then flick up the inner button on the stopper and pour. Pour your drink into the included small cup or drink straight from the flask.Great for Chilled Drinks Too: Warm yourself up with a hot drink or soup, wherever you are Also great for a refreshingly cool drink on a sweltering summer day. Can fill add ice cubes to drinks, keep your drink chilled.