Homdox 4L Ultrasonic Cool Mist Humidifier, Aroma Essential Oil Diffuser Zero Noise, Built-in Water Purifier, Waterless Shut-Off, Night Light Function for Home (Water Bottle) Capacity:40 oz Premium grade 18/8 Stainless Steel BPA free Sports Bottle Double wall vacuum insulated stainless steel water bottle keeps drinks cold for up to 24 hours and hot for up to 6 hours Wide mouth (2.4 inch) for easy filling, pouring and cleaning. BPA free. We follow up with every order to be certain that you are loving our product. We want our customers completely happy. Even if our product isn't a perfect match for them. We offer a 100% GUARANTEE. No gimmicks or special bonuses, Just a top quality product. If you have any question,feel free to contact us.