Keep Umbrella Stable - This pool umbrella stabilizer helps the table umbrella remain upright and stable in windy and rainy conditions. The umbrella hole ring securely fixes your table umbrella, reduces shaking, minimizes the risk of the umbrella tipping over and scratching the table, and extends the life of both table and umbrella. High-Quality Material - The patio table umbrella hole ring is made of high-quality silicone material, which is reusable and resource-saving. Soft and elastic, the ring is durable and resistant to cracking and wear, providing reliable stabilization for your table umbrella. Easy To Install - Soak the umbrella table ring in hot water before installation to soften it for easier placement. Insert the umbrella cone wedge into the table hole, then insert the table umbrella into the ring and rotate until firmly secured. This umbrella table hole insert helps improve stability and protection against wind and rain. Wide Application - Suitable for use in coffee shops, gardens, milk tea shops, bars, swimming pools, courtyards, restaurants, balconies, beaches, and other outdoor settings. The patio table umbrella hole ring is compact and lightweight, making it convenient to carry for picnics or travel, enhancing your outdoor experience. Color: Black Material: Silicone Package Contents: 4 x Umbrella Hole Ring Plug Note: Light reflection and differences in display screens may cause slight variations in color. Measurement may vary by +/- 1-3 cm.