STRONG AND SOLID: The set of 4 sacks with 2 bags are made of 300gsm 420D Oxford fabric and PVC coated inside. It is wear-resistant, tear-resistant and waterproof to have a long service life. Weight capacity of each bag: 7 kg EASY TO FIX: Each sandbag has 2 hook-and-loop fastener straps in the center, which provides a large attachment area and can be easily and quickly attached to various furniture legs to keep them stable in windy weather EASY TO FILL: The weight bags can be filled with many common materials, such as sand, gravel, water bottles, soil Thanks to the carrying handle, the filled bags are easy to transport to their destination Versatile: The heavy bags are suitable for various tents, umbrellas, gazebos, pavilions, tripods, lighting equipment,so that they are stable, perform their function optimally with safety EASY USE: The 4-pack sandbags are lightweight. They barely weigh on luggage and can be emptied, washed and folded easily to save space after use Product Description