Specifications:Color: BlackMaterial: HDPEProduct Dimensions: 21.5" x 14.5"Net Weight: 7 lbsPackage Includes: 1 x Fillable Umbrella Base, 2 x AdaptersDescription:Keep your market umbrella securely positioned with this fillable umbrella base designed for patios, decks, balconies, and outdoor dining areas. The base can be filled with water, sand, or a combination of both to provide adjustable weight for compatible center-pole umbrellas. For added support, a combination of sand and water can be used to reach a maximum filled weight of up to 90 lbs. An adjustable tightening knob and two included adapters accommodate umbrella poles from 1.2 to 2 inches in diameter. Compatible with 6 ft to 10 ft market umbrellas, this base is designed for center-pole umbrellas and pairs well with patio tables for additional support. A grooved carrying handle makes it easy to move the empty base between storage and outdoor spaces. Reinforced metal tubes at the bottom add structural support, while the textured black finish complements a variety of outdoor furniture styles. Illustrated instructions are included for straightforward assembly.