Budge Patio Umbrella Base 50 lb Plastic, Black Made from weather resistant resin This round patio umbrella base is compatible with a patio umbrella with a pole diameter up to 1.5" in diameter This outdoor umbrella stand is made from weather resistant resin that will remain durable overtime This waterproof base is rust resistant and measures 16" diameter x 11.5" high This umbrellas stand / base can weight up to 50 pounds when filled with sand filler or gravel (not included)