**Suitable Size:** These rings are suitable for umbrella poles with a diameter of 1.65 inches or smaller. Please check the size and measure your table hole and umbrella pole diameter before purchasing. **Material:** Made of high-quality, durable PVC plastic, these umbrella hole rings are resistant to temperature and light and are not easily broken. **Practical Function:** These rings help stabilize patio umbrellas, reducing and preventing scratches or dents on unstable umbrella poles. **Usages:** These umbrella hole rings can be widely used with patio furniture and fit tabletops with a 2-inch hole diameter and 5-6 mm thick tempered glass. **Useful Cap Accessories:** The included cap can be used to decorate the tabletop when the umbrella is not in use. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia