Description: 【Premium Material】: The empty sandbags are made of durable polyester material with sturdy stitching, making them wear-resistant and unlikely to break, ensuring long-term use. 【Weight Bags】: These windproof sandbags are designed for canopy and tent legs, providing added weight to the base to enhance stability and prevent tipping. 【Portable and Convenient】: The canopy weight bags feature portable handles and can be emptied for easy storage and carrying. They are foldable, lightweight, and suitable for various occasions without taking up much space. 【Easy to Use】: The weight bags can be filled with sand, rocks, gravel, or any available material (NOT included). They are easy to install and remove. 【Wide Applications】: The sandbags are suitable for 4cm x 4cm (1.57 inch x 1.57 inch) square tubes or 5cm (1.97 inch) diameter round tubes, making them ideal for canopies, tents, instant outdoor sun shelters, patio umbrella bases, gazebos, trampolines, and more. Specification: Material: Polyester Size Chart: 44cm x 41cm (17.32 inch x 16.14 inch) Package Includes: 4 Empty Sand Bags Note: Please allow for slight errors due to manual measurement and different display settings.