Usage Tips: EXTRA SAFETY. These umbrella base weight sandbags are robust and versatile. Use them as outdoor furniture weights to stabilize drying racks, trampolines, or cantilever umbrella bases, or as door stoppers. UP TO 49 LB. Each sandbag can be filled with sand, gravel, or stones (not water) to create a patio umbrella weight of up to 49 lb (22 kg), helping secure your umbrella base. 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 mold and moisture buildup inside. SMART DESIGN. The arch shape increases ground contact for better stability. Each bag features a sturdy carry strap and large fill openings at both ends with heavy-duty hook-and-loop closures for easy, mess-free filling. Quantity: 4 Pieces Color: Black Material: Canvas Package Contents: 4 x Fillable Sandbags (other items not included) Note: Slight color variations may occur due to lighting and display differences. Measurement may vary by +/- 1-3 cm.