Outsunny Umbrella Stand: Round, Fillable Base for 1.5", 2" Poles in Black for Lawn and Deck Stability|Aosom.com

The Outsunny umbrella stand not only supports your umbrella but also enhances patio decor. It has a fillable design that holds 48 lbs. with water or 64 lbs. with sand, made from durable HDPE with rattan pattern detailing. Dual knobs secure various pole sizes, and its empty weight allows easy transport.