Package contents: you will receive 2 silicone umbrella hole rings and 2 caps. These small items are space-saving and convenient for storage or carrying. Ideal spare parts for your needs. Standard size: our patio table hole cover sets are designed for outdoor glass or acrylic tables with 2 inch / 5.08 cm holes. Suitable for standard size umbrella poles. Reliable material: the table rings are made of high-quality, soft silicone to ensure easy assembly, and the caps are made of durable plastic to seal the hole effectively. Both are long-lasting and built to withstand outdoor use. Easy to install: the hole rings require no tools and are simple to attach. Due to their flexibility, they can be easily inserted into the table hole. For best results, soak in hot water before installation to soften the silicone for a smoother fit. Practical hole ring set: these rings fit securely into glass or acrylic tables, helping to stabilize the umbrella pole and prevent scratches on the table surface.