| 摘要 |
A cup holder coaster designed to fit in many vehicle cup holders. The coaster may be made of various materials including porous sandstone, wood, plastic compounds, ceramics etc. A key feature of the design is the easy removal of the coaster from the cup holder for cleaning. One embodiment of the invention uses a pivot point design while a second embodiment uses a pull tab configuration. The high-quality coasters may be sold under the tradename "CoasterStone". Advantageous uses other than in vehicles are also shown and described.
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