High quality material: Made of sturdy 600D Oxford fabric, well structured.PVC waterproof polyester interior coating, stronger than most weight bags.Special Design: Each bag comes with two zippered sections for sand, gravel or other contents around and also comes with a Velcro strap to hold the feet, which ensures the sand weight bags stay securely attached to yourinstant feet.Wide Usage: Can be used for instant awning, folding gazebo, shade tent, sales booth, parking shed, etc.Can be used anywhere: markets, camping, picnics, festivals, celebrations, sporting events, or even at the beach.Easy to use: Can be filled with easy-to-reach materials, such as sand, gravel, dirt, stones or any other materials available around you.With a sturdy nylon handle on top for easy carrying.HEAVY DUTY CAPACITY: The set of 4 awning weight bags is capable of holding up to 100 pounds in total.Each bag can hold approximately 30-35 lbs when fully filled with sand or any available material.