The water bottle body is made of soft material so you can push out the water quickly How to Use: Set the cartridge and fill with tap water. Filters water while drinking 【Easy to Use】Before using the microdisc for the first time, rinse both sides of the filter disc thoroughly with plain water for about 30 seconds. Then attach the disc to the disc cover and you're ready to go Perfect for staying hydrated at the gym, outdoor or office. Kids water bottle Made of durable BPA-free material BRITA Japan Co., Ltd. has been tested by a third party agency in Japan in accordance with the PFOS and PFOA, which are a type of PFAS (organic fluorine compounds) in accordance with the standard standards for the removal of water purifiers Association in accordance with the standard standards for the removal performance of water purifiers, etc.). The result is that PFOS and PFOA can be removed more than 80%