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In a sunny afternoon,you may want to drink a cup of coffee.And then you ought to do some sports,you also want to drink some water or juice，but you can only take one bottle.Don’t worry!Chain bottle can satisfy all your needs.
How to use it?There are some Screw threads on the gaps and bottoms of the bottles,you can connect four or more bottles according to your situation.You can only take one bottle or all of them.It’s convenient.