Provide a sturdy foundation for your banner with this water tank base! This useful add-on is made of plastic and steel and is designed to fit our black aluminum hardware that needs a peg with a diameter of 16mm (0.63"). It measures 18" x 18" x 12" and is perfect for both indoor and outdoor use to spice up tradeshow displays, sidewalk advertisements, fundraisers, awareness events and more. It is built to withstand outdoor conditions when filled with water or sand. Minimum assembly is required with no extra tools needed. This is a great option for all half drop, teardrop. razor, fin, blade or other portable banner styles that utilize all sizes of our black aluminum hardware.