18.5" Square Umbrella Base Weight with Weatherproof Fabric-Black

. Large capacity sandbags can be filled with sand, stones, soils or bottle waters. Easy to fill and empty with large opening. Detachable sandbag design allows for easy placement around the base. 900D oxford cloth with waterproof PU coating is wear-resistant. Compatible with offset umbrella stand and patio umbrella stand. Adjustable fixing strap ensures a perfect fit. Convenient carrying handles ensure effortless transportation. Applicable to poolside, garden or patio