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Catching tumbler for conventional silicon pads and a flexible silicone cover is connected. Silicon cover envelops part of the lid when you do not use a tumbler. Conversely, when a drink, the cover is upside down on the bottom and cover it. Stretchy silicone material because it can appropriately be used regardless of the size of the tumbler.
daegu university
industrial design
Gyeonsan, South Korea
daegu, South Korea
daegu university
daegu, South Korea
Catholic university of daegu
Daegu, South Korea