Usage Tips: EXTRA SAFETY. These umbrella base weight sandbags are robust and versatile. Use them as outdoor furniture weights to keep drying racks, trampolines, or patio umbrellas stable, or as door stoppers. UP TO 49 LB. Each sandbag can be filled with sand, gravel, or stones (not water) to create a 49 lb (22 kg) weight, helping secure cantilever umbrella bases. FOR ANY WEATHER. Designed for outdoor use, these weights are made from durable, water-repellent, UV-resistant, and dirt-resistant material that performs in extreme temperatures, making them suitable for year-round use. LASTS FOR YEARS. Constructed from high-density 600D reinforced fabric, each sandbag resists tearing and stretching. Without plastic layers, they prevent internal moisture buildup and mold. SMART DESIGN. The arch shape increases ground contact for better stability. Each bag features a sturdy handle for easy carrying and large openings at both ends with heavy-duty hook-and-loop fasteners for quick, clean filling. Quantity: 4 Pieces Color: Black Material: Canvas Package Contents: 4 x Fillable Sandbags Note: This package includes only the sandbags; other items are not included. Note: Lighting and screen settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 13 cm.