Round Granite Patio Umbrella Base Black - Threshold™ : Target
Best Choice Products 81lb. Heavy Duty Square Concrete Rolling Patio Umbrella Base Stand W/ Locking Wheels : Target
Amazon.com : Best Choice Products 81-Pound Heavy Duty Square Concrete Rolling Outdoor Patio Umbrella Base Stand w/Locking Wheels, Handles : Patio, Lawn & Garden