beachBUB Ultra BIG " The Patio Umbrella Base Made for the Beach " DO NOT USE WITH A SCREW ANCHOR This is the base for umbrellas up to 11 ' when filled it weighs 170 LBS Fits umbrella poles up 1 ' in diameter. No hole to dig or screw needed and weighs less than a pound unfilled. Holds 170 LBS. of sand and wind tested at 42 MPH. Setup in minutes and you're done for the day