Vapur (ヴxeipa-), Hand-Held Water Pack Anti Bottle, 0.4l, Pack of 2 

The Vapur Anti-Bottle is a foldable, reusable water bottle designed for convenient on-the-go use. Unlike traditional rigid bottles, the Anti-Bottle is flexible. It stands upright when full and can be rolled, folded or flattened when empty - easily fitting into pockets, purses or packs.