• DURABLE MATERIAL: 1680D Oxford fabric with PVC coating,300% stronger than the most in the market,make the weight bag durable and waterproof. WITHOUT FILLER.
• Each pack can hold up to a maximum of 37.5 lbs of weight in sand, rock, gravel, snow, dirt and other contents.
• Three VELCROS: Three velcros sewed on the bag,make the bag attaches the frame closely and firmly
• QUICK AND EASY SIMPLY FILL: Quick and Easy simply fill the anchors with sand into the large top opening and then simply attach the "hook and loop" straps to the canopy legs.
• Stabilize any Instant leg Canopy, Pop Up tent, camping sun shlters, sports umbrella with a set of durable universal weight bags.