Our beach umbrella reinforcing base is made of high-quality Oxford cloth, waterproof, durable, sun-resistant, and will not fade or crack. Lightweight, folding design, easy to carry, easy to use, this umbrella base flexes to accomodate all cyllindrical umbrella pole widths. Place around your umbrella stand, fill with sand, and you're set! No more chasing your umbrella down the beach. Pair with our beach umbrella anchor for even more security. Weight: 11.78 ounces. Dimensions:17.5 x 17.5 x 6 inches.