The Passion Petals vacuum thermos flask is made of high-quality 304 grade stainless steel. The double walled thermos steel technology ensures maximum vacuum insulation. It is sturdy and durable delivering thermal and cooling efficiency of up to 24 hours. Enjoy steaming hot milk or soup as well chilled juice or smoothie, all in one bottle! It features a locking cap with a bullet push button ensuring ease of access. The flexible silicon straw delivers consistent flow enhancing your drinking experience. The food grade silicon attachment prevents spills and leaks. The eye-capturing design, easy to carry neck band and a variety of vibrant colors makes it ideal for school, home, sports, travel and daily hydration. Join the movement! Say NO to plastic disposable bottles and join us in our mission to save the planet. Easy To Clean-The large bottle opening allows good visibility & each part of this kids? bottle can be disassembled and can be easily cleaned. Ideal Drinking Design-The bottle comes with multiple lids which involve a straw, straight drinking & sharing cup lid that helps your little one meet their drinking methods. Easy To Use-The portable water bottle can be easily opened by pressing the provided button with just one hand. The silicone straw makes drinking easy and enjoyable for kids.