US Weight Cornerstone Weight Bags Secure Tents, Canopies, and Umbrellas at Outdoor Events Secure tents, canopies, and umbrellas at outdoor events with these cornerstone weight bags Includes four empty bags; each bag weighs approximately 25 lbs. when filled with sand for 100 lbs. total Bags seal tight with no zippers to rust or bust open with a carry handle for easy transportation Secures quickly to the canopy leg with a stainless-steel c-hook and Velcro strap Heavy-duty nylon bags fit straight or slanted pole legs up to 1.75 inch in diameter