1、18 Inch Square Design: The umbrella base weight bag features an 18 inch square design, offering enhanced stability and reliability. This ensures the umbrella base remains securely positioned, providing peace of mind even in windy outdoor conditions. 2、600D Oxford Fabric: Constructed from 600D Oxford fabric, this weight bag boasts exceptional wind resistant and durability. It is designed to withstand various outdoor environments and weather conditions, guaranteeing a long lasting lifespan. 3、Adjustable Weight Capacity: With an internal zipper design, the base stand allows for easy filling with sand or other heavy materials. This feature provides adjustable weight capacity to suit different scenarios and usage needs, enhancing its versatility. 4、Portable and Lightweight: Lightweight and foldable, the weight sandbag is easy to carry and store, making it ideal for outdoor activities like camping and picnics. Its convenient design ensures you can transport and use it wherever needed. 5、Multiple Applications: Beside umbrella bases, this versatile weight bag is suitable for securing tents, patio umbrellas, and more. Its practical design offers multiple applications, making it a valuable addition to any outdoor setup. Item Type: Umbrella Base Weight Bag Material: 600D Oxford Cloth Weight: Approx. 300.00g / 10.58oz Product Size: Approx. 46x46x15cm / 18.11x18.11x5.91in 1 x Umbrella Base Weight Bag