[High Quality] Made of high quality 420D Oxford fabric, tear-resistant, waterproof and colorfast, triple stitched reinforced edge to ensure higher filling capacity and no leakage [ [Easy to Fill]Large sand filling opening makes pouring sand easy and quick, the maximum capacity of each bag is 14kg of sand, close the velcro on the top opening after filling, no leakage [Easy to Use] There are two adjustable extended velcro fasteners on the top and bottom to ensure that the weight bag is firmly attached to the leg of the instant canopy and easy to place and release [Size] 41cm x 40cm, 4 weight bags included, the total fixed weight can reach 56kg, strong stability, can easily stabilize the legs of each person's column, and can stand upright even in windy weather [Applicable] Sand, stone or soil can be added to fill up the weight bags, suitable for fixing any pop up tent awning (leg sizes from 15'' to 80'') and instant camping awnings, sports umbrellas, trampolines, etc. < p > Product