<br>Good performance: <br>They are useful to stabilize patio umbrellas, reduce and prevent scratches or dents on unstable umbrella poles. <br> <br>Notes: <br>1. They are suitable for those umbrella poles of 1.65 inch in diameter or smaller; And 2 inches ring diameter as standard size fits most umbrella hole tables. <br>2. These umbrella hole rings are good for patio furniture, fit for 5 - 6 mm thickness tempered glass and tabletop of which hole diameter is 2 inches. <br> <br>Specification: <br>Size: as described in the picture <br>Material: PVC <br>Color: as pictures show <br> <br>Package includes: <br>1 x Umbrella hole ring and cap set