Use safe siliconFor first use, we recommend you need to do a soak (24 hours) with baking soda, water and vinegar or lemon juiceThe collapsible water bottle is BPA free and odorless, made of BPA-free food-grade organic silicone, passed FDA certificationchildren can also use it with confidence. Lightweight and convenientThe 26oz(750mL) portable silicone bottle is a foldable type. It takes advantage of the characteristics of soft silicone and can be folded compactly after drinking, making it easy to carry.The foldable water bottle is equipped with an aluminum alloy carabiner. Powerful Vertical Airflow Keeps You Coolthe strong airflow of our necklace fan can quickly cool you down in the hot summer, and the air outlet ensures that your face and neck are always cool, and keep you dry and comfortable all day long! Comfortably Hanging around Your Neckwith wide adjustable length lanyard and lightweight design, this personal electric fan hangs comfortably on the necks of adults, kids, girls, boys women and men which is very suitable for gift giving. Great for Most Outdoor Occasionsour cooling fan has an invisible foldable bracket, which can be used as a neck fan or desktop fan or handheld fan according to your needs. The ultra-thin shape allows you to easily wear it anytime anywhere, it is a must-have equipment for beaches, camping, hiking, traveling, picnics, parks, concerts or sports games!