rhino basemate umbrella base weights 4-pack – fillable sand bags for umbrella base & patio stand | durable weatherproof sandbag weights for outdoor umbrellas, arched design, holds up to 49 lbs each 4 pack is up for auction in Patio, Lawn & Garden. The current bid is $1.50, 95% below the $29.90 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.