400ml/13.5oz Removable Flat Water Bottle

We have repeatedly tested to make sure that the flat water flask does not leak in the bag. It use thin design, you can easily put it in a school bag, handbag, or even a purse or pocket. This A5 memo bottle is made of high-quality food-grade PS plastic, which is very durable and not easy to be scratched or broken. We designed a ring hole for this flat travel bottle to prevent accidental fall