Dimensions: 3-1/2" H - 3 1/2" ID, 4 1/8" OD with flange. Lower OD: 2.86" (7.27cm); with 0.12" ID (0.28" OD at bottom of tube) drain holes to keep moisture out. Suitable for a variety of glass and canned containers. But Yetis and glasses don’t fit this one, and the smaller bottom is perfect for a 12-ounce can or single-serving, or a 20-ounce bottle of soda or water. < p>The drain makes it very practical. Channel water or rain from outside to outside and never worry about emptying cup holders every time it rains or someone rolls over. No screws mounting required Smooth surface for easy cleaning Mounts almost anywhere on boats, game tables, sofas, cars, RVs, tables, counters, dashboards, seat backs, etc. We only sell cup holders, not other items in the picture. Due to the differences between different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow a slight error in size.
