Featuring good anti-scratch properties, this umbrella hole ring can effectively reduce the friction between the umbrella and the patio table, preventing scratches and dents on the umbrella pole, and minimizing friction noise. Due to its excellent toughness, this umbrella hole ring is highly wear-resistant and built to last. Additionally, it helps stabilize the umbrella and reduces movement caused by wind. It is made of high-quality PVC and rubber materials. Available in 3 sizes for your selection. Ideal for use in coffee shops, bars, tea shops, yards, or with glass outdoor patio tables and patio umbrellas. Item Name: Umbrella Hole Ring Material: PVC, Rubber Features: Anti-scratch, Wear-resistant, Simple Installation Size Details: Rubber Hole: Height: Length: 5.74cm/2.26", Diameter: 3.8cm/1.5" (Approx.) Table Hole Plug: One Part: Diameter: 6.3cm/2.48", Height: 1cm/0.39"; Other Part: Bottom Diameter: 4.2cm/1.65", Height: 1.5cm/0.59" (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Please allow slight variations in dimensions due to manual measurement. Package Includes: Style A/B: 1 Set of Umbrella Hole Ring (2 Parts) or Style C: 1 x Umbrella Hole Ring