COBANA Patio Umbrella Base, 4-Piece Cantilever Offset Patio Umbrella Base, Easy Filling Umbrella Stand Weights, Sand Filled Only, with Easy-Fill Spouts, Max 132lbs, Triangle Plates - Walmart.com
Amazon.com : Sunnyglade 18.9" 4Pcs 13L Fan Shaped Water or Sand Filled Umbrella Base/Fan Style Self-Filled Cantilever Offset Umbrella Base Stand Suitable for All Kinds of Cross Tiles (Black) : Patio, Lawn