Features: 1. Superior Material: Our umbrella base weight is made of oxford cloth, which prevents sand from leaking on rainy days, waterproof, sun- and heat-resistant. 2. Increase Stability: Fill this patio umbrella base weight bag with sand, and wrap it around an umbrella pole, which adds gravity to your existing umbrella stand, additional can be stacked for increased stability. 3. Humanized Design: The side opening in the bag and ergonomic handle design, are easy to put on or take off from the umbrella base, helping you to easily place the base on any patio umbrella stand. And the handles on the side facilitate you to move the sandbag. 4. Easy To Use: Easily fill with sand via the zippered sides. The inner ring fits most cantilevers, parasols, or garden umbrellas posts. 5. Wide Application: You can use it in the garden, restaurant, on beach trips, resorts, or for other outdoor activities when using an umbrella. Enjoy your outdoor relaxation time. Specification: Material: Oxford Cloth Color: Black Product Size: 43 x 43 x 15cm / 16.93 x 16.93 x 5.9inch Product Weight: 100g Package Included: 1 x Patio Umbrella Base Stand Weights Bag