Features: Keep Umbrella Stable: The patio umbrella sleeve securely holds outdoor umbrellas in place, preventing shaking and ensuring safer, more stable use. Durable Material: The table umbrella hole ring plug is made of silicone/rubber material, soft, flexible, durable, reusable, and resistant to deformation. Easy to Install: The patio table umbrella stabilizer is simple to install and takes only a few minutes, ensuring the umbrella remains firmly seated and minimizing swaying. Wide Applications: Ideal for use in gardens, yards, poolside areas, coffee shops, restaurants, balconies, beaches, and other outdoor settings. Customer Support: If you have any questions about our product, please contact us. We are committed to providing helpful support. Specifications: Material: Rubber/Silicone Fit: for outdoor table umbrella Package Includes: 1 * Umbrella Cone Wedge OR 2 * Umbrella Cone Wedges OR 1 * Umbrella Hole Ring OR 2 * Umbrella Hole Rings OR 1 Set * Base Brackets OR 2 Sets * Base Brackets