Features: Heavy-loading Each bag has a large load-bearing capacity, the maximum load-bearing capacity is 30kg/1058.22oz, and it will not be damaged or deformed due to heavy items. Double barrel design This product has a double barrel design, and both sides can be filled with sand (not included), so that your tent will be more stable. Fillable design The sandbag can be filled with sand, rocks, snow or any available material nearby emptying the bags was as simple as filling them. Windproof and stable This sandbag can be windproof, and has a band to fix it, not only is it very strong and stable, but it's easy to disassemble.And the zipper deisgn keeps it from leaking. Universal This bag is perfect suitable for camping, picnics, beaches, parties and any other places where a canopy or tent is needed. Specifications: Type: tent sandbag Quantity: 1set Material: oxford cloth Item color: black Single barrel diameter: 11cm/4.32inch The size between the two barrels: 8cm/3.14inch Maximum bearing: 30kg/1058.22oz Sandbags can be filled: 10-15kg/352.74-529.11oz of sand Height: 42cm/16.51inch Net weight:165g/5.82oz Package: 4* tent sandbag Fillable design: The sandbag can be filled with sand, rocks, snow or any available material nearby emptying the bags was as simple as filling them. Universal: This bag is perfect suitable for camping, picnics, beaches, parties and any other places where a canopy or tent is needed. Heavy-loading: Each bag has a large load-bearing capacity, the maximum load-bearing capacity is 30kg/1058.22oz, and it will not be damaged or deformed due to heavy items. Double barrel design: This product has a double barrel design, and both sides can be filled with sand (not included), so that your tent will be more stable. Windproof and stable: This sandbag can be windproof, and has a band to fix it, not only is it very strong and stable, but it's easy to disassemble.And the zipper deisgn keeps it from leaking.