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Tumbler Proof / 防撞翻杯垫

Tumbler Proof

The part of the cup holder is made of plastic and slotted on
both sides, which can produce certain elastic deformation,
can be suitable for a certain size range of water cup, and
can play a certain buffer role in the impact.

University

成都理工大学

成都理工大学
成都, China

li tao huang,
成都理工大学