Ultra-strong and durable material: The gazebo weights are made of high-quality 600D Oxford cloth (polyester) with high-density stitching. The reinforced, double-stitched design is tear-resistant, wear-resistant, and durable, making them suitable for use in extreme weather conditions. Excellent load-bearing capacity: Each sandbag can carry up to 10 kg of sand, stones, or mud. It stabilizes any pop-up tent or folding gazebo, so you don't have to worry about collapse due to wind or other factors. Portable design: Our gazebo weights feature a Velcro closure for easy folding and carrying. By attaching them to the gazebo legs with Velcro and four loops, you prevent them from collapsing. The handle at the top makes carrying the weights easier. Versatile weight bags: This set includes four 15 cm x 50 cm tent weights, suitable for various types of pop-up camping gazebos, folding tents, doorstops, photography lights, and more. They are easy to attach. They are easy to attach. Please note: "Sand not included, bag only." Tent weight bags cannot be filled directly with water or other liquids. First put the liquid in a resealable bag or bottle and then add it to the sandbag.