DURABLE MATERIAL: 600D Oxford fabric with PVC coating,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 50 lbs of weight in sand, rock, gravel, snow, dirt and other contents. QUICK AND EASY SIMPLY FILL: Quick and Easy simply fill the anchors with sand into the large top opening , Zip up the zipper, then simply attach the 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. Heavy Duty sand bags Fit Almost Any Umbrellas base:The sandbag is suitabe for any patio umbrellas, cantilever umbrellas, tent, canopy, and flag poles. Can be used at markets, yard, beach, celebrations, festivals, camping, picnics, etc. suitable for any place with tents, such as: courtyards, markets, camping, picnics, fishing, large-scale events, beaches, etc. Spatutongs 200 LBS Extra Large Canopy Heavy Duty Sand Bags, 4-Pack, Black (Without Sand) Fit Almost Any Umbrellas Base,Suitable for Any Place with Tents. DURABLE MATERIAL: 600D Oxford fabric with PVC coating,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 50 lbs of weight in sand, rock, gravel, snow, dirt and other contents. Three SIMPLY FILL: Quick and Easy simply fill the anchors with sand into the large top opening , Zip up the zipper, then simply attach the 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. Heavy Duty sand bags Fit Almost Any Umbrellas base:The sandbag is suitabe for any patio umbrellas, cantilever umbrellas, tent, canopy, and flag poles. Can be used at markets, yard, beach, celebrations, festivals, camping, picnics, etc. suitable for any place with tents, such as: courtyards, markets, camping, picnics, fishing, large-scale events, beaches, etc.