Quality Material: The umbrella hole ring is made of quality soft silicone to ensure easy assembly, and the cap is made of sturdy plastic to seal the hole; These umbrella hole rings are temperature and light resistant. Practical function: they are suitable for stabilizing patio umbrellas, reducing and preventing scratches or unstable umbrella poles; Suitable for patio garden outdoor table. Easy to use: installing the umbrella hole ring does not require much effort; As it is flexible, you can easily fix it to the hole, it is recommended to put it in warm water before installation to make it softer. Product Description They are useful for stabilizing the patio umbrellas, reduce and prevent scratches or dents on unstable umbrella poles. Notes: 1. They are suitable for umbrella poles 1.65 inches in diameter or less; And 2 inch ring diameter as standard size fits most umbrella hole tables. 2. These umbrella hole rings are good for patio furniture, suitable for 7-9mm thick tempered glass and table top which hole diameter is 2 inch. Specification: Size: 61*10*42MM Material: PVC Colour: Transparent Package includes: 2 x umbrella hole ring and cap set