Maximum Stability: Filled with wet sand, this heavy-duty umbrella base weighs 180 pounds; adequate for up to 12-foot wide umbrellas in moderate climates (Filled with dry sand 160lbs., water only 110lbs., unfilled 17lbs.)Versatile Umbrella Compatibility: Designed to fit most market umbrellas up to 12 ft. PVC sleeves are included to accommodate different umbrella pole sizes: 1-1/4" (32mm) and 1-1/2" (38mm). Choose the correct sleeve based on your umbrella's pole diameter and use the two adjustable knobs to secure a tight fit.Portable: The patio umbrella base features four caster wheels for effortless movement and 360° rotation without requiring lifting or tilting the stand. Moves easily across various hard surfaces such as marble, travertine, pavers, wood decks & concrete. Two locking wheels ensure your umbrella stays securely positioned while offering easy relocation as needed.Superior Design: The attractive pyramid shape ensures water and debris roll off easily, making it a practical choice for exterior patios, decks, or other outdoor spaces. The design seamlessly blends into vintage and contemporary outdoor décor. Measures 24" x 24" x 7-3/4" tall.Built To Last: Made from high-quality, weather-resistant high-density HDPE composite, this umbrella stand is UV-stable and rust-free. Far lighter to move when empty than cast-iron or metal umbrella stands, yet rock-solid when filled. This heavy-duty umbrella base is made from high-density HDPE plastic. It features a connective plate at the bottom to evenly distribute weight and ensure stability, keeping your umbrella upright. Compatible with most market umbrellas up to 12 ft., it includes PVC sleeves (1-1/4" and 1-1/2") for a perfect fit, and adjustable knobs for a secure hold. Designed for easy mobility, the base offers 360° rotation, four caster wheels, two of which are locking for effortless movement across various surfaces. It can be filled up to 160 lbs. with sand up to 110 lbs. with water for added stability (sand and water not included). The contemporary pyramid design ensures water and debris roll off easily, making it ideal for outdoor spaces like patios and decks. At 24" x 24" x 7.75", it features well-designed pole housing and comes with a manual and tool for easy assembly.