Amazon.com : KECHIO 2 Inch Patio Table Umbrella Hole Ring and Cap Set, Standard Size Umbrella Thicker Hole Ring Plug and Cap Set (Translucent, 2 Set) : Patio, Lawn & Garden
Amazon.com : KINBOM 1.6 Inch Patio Table Umbrella Hole Ring and Cap, Standard Size Silicone Umbrella Hole Plug and Cap for Glass Patio Garden Beach Table (Black) : Patio, Lawn & Garden
Patio Umbrella Size Guide & Chart : BBQGuys
Patio Umbrella Outdoor Table Umbrella with 8 Sturdy Ribs Red Sunnyglade 9' | eBay