A. Good Stability: Constructed from 600D Oxford fabric with a weather-resistant polyurethane coating on the surface, it offers UV resistance, durability, and water resistance. It is relatively large in size, measuring 34x40 cm. This heavy-duty sandbag can quickly and simply help ensure the safety and stability of your tent or awning, making it suitable for outdoor activities and windy conditions. B. Easy to Use: Just wrap the Velcro strap around the tent leg, tighten the strap, and you're set. The sandbag will be firmly attached. Each sandbag can hold up to 13 kg of sand, gravel, or soil. It is easy to install and remove, suitable for use on hard ground. C. Wide Application: This durable and versatile sandbag set can help stabilize various items such as quick-opening leg-type awnings (with a leg diameter of 15 mm - 50 mm), pop-up tents, gazebo structures, trampolines, camping awnings, sports umbrellas, etc. D. Convenient to Carry: The sandbag is equipped with a firmly sewn polyester handle for easy carrying. It also comes with a storage bag for convenient storage. E. Double Closure: The durable Velcro strap closure can help prevent sand from spilling out during use. F. There are a total of 4 sandbags.