Sundale Outdoor 4 Pieces Heavy Duty Plastic Water Sand Cantilever Umbrella Base Stand Patio Offset Umbrella Weights LONG LASTINGEvery piece is constructed of heavy-duty plastic for lasting quality, UV protected to prevent fading, and also water and weather resistant. Leave it outside, no need to take it in whenever in bad weather. EASY TO USEThis umbrella weights set is easy to fill with dry playground sand or water and especially you have a funnel. Save time in filling up, get it done in seconds. With metal handle, easy for carrying and transportation. HEAVY WEIGHTEach piece can hold about 15 liters of water(33 lbs), Holds up to 200 lbs of sand, in this way, it can hold the umbrella in place. Don't worry about umbrella tip over ever. ITEM SPECIFICATIONSItem per piece Dimension: 19.7" L x 19.7" W x 3" H, will fit for offset umbrellas. VERY IMPORTANT NOTICEThis set has no small holes in the top of each piece and there are no metal securing brackets. And please close your umbrella when wind is too strong to prevent falling over. Fit Umbrella Type: Offset Umbrella Material: Plastic Color: Black Weight Capacity: 200lb Overall Dimension: 40&#034; L x 40&#034; W x 3.2&#034; H Package Dimension: 19.8&#034; L x 19.8&#034; W x 3.2&#034; H Shipping Weight: 20.8pounds 1 x Umbrella Water Stand Crossbar is not included