Patio Umbrella Cone (Brown) Fits 1.5" Umbrella. Weather Resistant Polyurethane. The Original Made in the USA. Umbrella Cone works with any table and umbrella combination. Tapered Design keeps the Umbrella properly seated and eliminates any rattles. Umbrella Cone keeps the umbrella properly centered over the table. Fits umbrella poles up to 1.5 inches in diameter; table opening up to 2.5 inches.