Made of Oxford cloth, accompanying superior workmanship and thread density to prevent sand leakage. Cylindrical, sandbag filled state can be well weighted as awning, sun umbrella, beach sunscreen umbrella and tent.It has a handle for easy transportation. Each pack can hold up to a maximum of 44 lbs of weight in sand, rock, gravel, snow, dirt and other contents. Just unfasten the Velcro at the top, fill it with sand or gravel to add weight, then connect the 4 bindings to the bottom leg. Do not pull the fixed Velcro separately in sufficient condition. Do not slam the sandbag. Includes 4 sandbags (no sand). Color: Black Material: Oxford Cloth Individual Product Size: 50cm x 13cm x 13cm (19.68in x 5.11in x 5.11in) Package Size: 4cm x 22cm x 15cm (1.57in x 8.66in x 5.90in) Weight: 0.4kg (0.88lb) Note: Please be aware that this product includes only 4 sandbags and does not contain sand. Due to lighting and screen settings, allow for slight color variations. Due to manual measurement, allow for slight size differences. What's inside the box? 4 x Sand bags