Add convenience and stability to your outdoor space with this heavy-duty umbrella base. Even through strong gusts, this wind-resistant base has a sturdy build that keeps your umbrella standing tall. Use it anywhere! It's a perfect way to help shade your deck, poolside, or patio. A refillable reservoir lets you secure your base with sand (120 lbs. fill capacity) or water (38 L fill capacity) as needed, and easy mobility includes four wheels that create a tilt-free surface that is easy to lock and easy to move. Built with a 2-inch receiver to accommodate umbrellas from 6-12 ft in diameter. Two adjustable knobs ensure a perfect fit for most market umbrellas and fit poles 1.5in-1.9in.The following section is provided to replicate any text that is present on the images in order to ensure the information is equally accessible to all guests.Easy Mobility Four wheels provide reliable support that lock and glide across the ground on demandSturdy Anchor A fillable, weighted base keeps your umbrella upright in the wind Durable Wind ResistantRefillable Reservoir Fill this base with your choice of sand or water for added weight Sand Fill Capacity: 120 lbs. Water Fill Capacity: 38 LVersatile Support Roll from place to place to shade all your outdoor areasFits Market Umbrellas 6-12ft Built with a 2-inch receiver and two knobs to accommodate umbrellas 6-12ft in diameter Fastening Knobs 6ft, 7.5ft, 10ft, 12ftProduct Dimensions Overall Dimensions: 24"(L) x 24"(W) x 18.5"(H) Receiver Dimensions: 10.25"(H) x 2.5"(Dia) Base Plate Thickness: 3.5"(H)