VERY STURDY UMBRELLA BASE: This base measures 22.5" square x 13.25" H and weighs 52.6 lbs. The outdoor umbrella stand can easily be placed under a patio table with a through-table umbrella hole. HEAVY-DUTY CONSTRUCTION: This outdoor umbrella base is made of durable and weather-resistant cast iron. The material is strong and can withstand the elements. The stand is made of heavier material so it stays in place, even in windy conditions. EASY ASSEMBLY: The patio umbrella base is easy to put together. It includes 1 patio umbrella base, 1 thumb screw, and 1 umbrella pole adapter. VERSATILE UMBRELLA HOLDER: The included pole adapter accommodates patio umbrella poles between 1.5" to 1.75" in diameter. Without the adapter, the patio umbrella base accommodates patio umbrella poles up to 2" diameter. GREAT FOR SHADE LOVERS AND OUTDOOR HOSTS: Designed for homeowners, patio decorators, and café owners, this umbrella base pairs with outdoor tables to create a stable and stylish shaded retreat. Used by anyone who enjoys relaxing or entertaining outdoors, it’s a must-have for those interested in comfortable, wind-resistant outdoor setups and who want to enjoy worry-free shade on sunny days.