Umbrella Base Patio Umbrella Base Umbrella Stand Outdoor Base Heavy Duty Outdoor Umbrella Holder Adjustable Umbrella Clamp Deck Mount Umbrella Holder for Decks,Patios, Balcony,Docks. 【Space-Saving】Our patio umbrella base small footprint of 3 2/5" x 3 2/5"can allow for more space on your deck or patio.