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Flexible Bottle is different from ordinary bottle.While we drink water,with the volume of water decreasing, the bottle will be compressed so that the volume of the bottle becomes smaller and it is convenient to take along. When a crowd of people gather together, each one can compress their bottles to a certain height,thus making it easy to distinguish your own bottle from other's.After drinking water, compress bottle, tighten the cover, and throw into the trash can. It reduces occupation of space , so it is convenient for recycling to a great extent.
Jinyi Chen; Xi Wang; Tuo Fang; Qiuying Xu;