Specification Brand : BACKYARD EXPRESSIONS PATIO · HOME · GARDEN BulletPoint1 : FILL WITH WATER OR SAND: Base can be weighed down with up to 50 pounds of water or sand to make it very sturdy. BulletPoint2 : HIGH-QUALITY MATERIAL: Made of strong and light HDPE plastic to last for years to come. BulletPoint3 : ONE SIZE FITS ALL UMBRELLAS:Base features a steel pipe that accommodates all market umbrellas; ideal for holding most 6-10' umbrellas with 1.5-1.9" pole diameters BulletPoint4 : TIGHT FIT & STABILITY: Tighten the adjustable knob to the specifications of your umbrella to ensure a tight and stable fit everytime. BulletPoint5 : EASY STORAGE: Simply remove the steel tube for a slim design that lets you store the base in compact space during the winter and other times of non-use; 18"(Dia) Color : Black ExternallyAssignedProductIdentifier1 : 681129135899 ExternallyAssignedProductIdentifier2 : 0681129135899 ExternallyAssignedProductIdentifier3 : 00681129135899 ItemName : BACKYARD EXPRESSIONS PATIO · HOME · GARDEN 913589 17L Round 18" Water/Sand Fillable Patio Outdoor Umbrella Base Stand w/Handle Carrier-Backyard Expressions, Black ItemPackageDimensions_Height : 6 inches ItemPackageDimensions_Length : 21 inches ItemPackageDimensions_Width : 19 inches ItemPackageQuantity : 1 ItemTypeKeyword : patio-umbrella-bases Manufacturer : Backyard Expressions Material : Steel ModelName : 913589 ModelNumber : 913589 NumberOfBoxes : 1 PackageLevel : unit PartNumber : 913589 PowerSourceType : manual Style : 913589 SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 56101600