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Let’s be lightly on your hands! Bellows’ Mango-Tum!
This tumbler, which is designed by bellows’ principle, has great advantages such as good design which is able to tempt people to purchase and convenience which is able to adjust size and keep warmth because of the material of silicon. As well, this is consisted of dull luster plastic that is not easily broken and silicon of high solidity which is able to keep warmth inside. Hence, this is good for mobility as easily putting it in your bag because of the functionality to quickly make small and excellence in the art when it is folded and opened.
Cheonan, South Korea