Food grade stainless steel: Each flask is made of high quality FDA approved food grade stainless steel. The bottle is completely safe to drink and non toxic. BPA Free: Each water bottle comes with a 100% leak proof, food grade cap, an interchangeable BPA/PVC free straw lid as well as pull sports cap for your convenience. Lightweight and portable: The design of our water bottle makes it perfect to take anywhere, whether to your office, school, gym, yoga class, or while you are out for any outdoor activities. Durable powder coating: Our stylish and durable powder coating gives your bottle extra protection from chipping and scratches. Each thermal bottle is not only durable, but also very chic and classy! Unique cartoon designs: Inspirational unique designs on the bottles make them perfectly suited for women and men, adults, teens and kids. They are also a great gift idea!