Easy Setup: Insert the beach umbrella pole through the large reserved hole, adjust the hook collar, and fill with sand for added stability. Pour out sand when not in use and fold for convenient storage. Stable Design: Featuring a 4-sided square design with 4 holes and corner hooks, this weight bag ensures a secure hold for your beach umbrella, enhancing stability even in windy conditions. Adjustable Collar: The middle hook collar is adjustable to fit various umbrella pole sizes, providing versatility and compatibility with most standard beach umbrellas. Durable Material: Crafted from high-quality waterproof Oxford cloth, this sandbag is sturdy and long-lasting, offering reliable support for your umbrella without easily wearing or tearing. Versatile Usage: Ideal for securing beach umbrellas during camping, picnics, beach outings, sports events, and more, this sandbag is a practical accessory for outdoor activities. Description: This beach umbrella sand base is designed for stability and convenience. Simply insert the beach umbrella pole through the large reserved hole, adjust the hook collar, and fill it with sand to add weight. When not in use, easily pour out the sand and fold it for compact storage. Our sun umbrella base weight bag features a square design with 4 holes that perfectly match the sun umbrella's corner hooks. This design allows for a larger sand capacity, ensuring your beach umbrella stays securely in place even on windy days. The middle hook collar of this beach umbrella sand base is adjustable, providing versatility to fit various sizes of beach umbrella poles. This feature makes it compatible with most beach umbrellas, offering a customizable and secure fit. Crafted from premium Oxford cloth, our beach umbrella sandbags are waterproof, durable, and resistant to damage and wear. You can rely on its long-lasting performance, making it a reliable accessory for your outdoor adventures. This sandbag is ideal for fixing beach umbrellas in various settings such as camping, picnics, beaches, and sports events. Enjoy peace of mind knowing your beach umbrella is securely anchored, allowing you to relax to the fullest. Item Name: Refillable Sandbag Material: Oxford Cloth Applicable Scope: Beach, Courtyard, Park Features: Large Capacity, Foldable, Sand-filled Size Details: W: 16 inch, H: 15 inch Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Refillable Weight Sandbag