Water Barrel for replacing stakes price per barrel needed. Can be used in limited amounts to go over top of patios or driveways. Can not be used on tents larger than 20 x 20 IF the only item being used for securing tent. If it is for a partial stake and barrel the rule is no more than 25% can be on a barrel. White covers are an additional 10.00. Barrels are white or black in color as a rule.