70 lb. Concrete Filled Umbrella Base | Umbrella Source
Umbrella Stand Balcony Pool or Side/end Accent Table Concrete - Etsy
Amazon.com : Sundale Outdoor Heavy Duty Umbrella Base, 55 LBS Plastic Shell Concrete Mobile Stand with 4 Wheels for Patio, Deck, Garden, Poolside, Black : Patio, Lawn & Garden
DIY CHEAP/EASY Concrete Umbrella Stand with Wheels!! - YouTube