You have you banner and your hardware but you need more stability. Choose this durable, fillable water bag. It can be used with all styles of our cross bases. It measures 15"W x 15"L x 6"H when it is filled with water. WARNING: Cancer and / or Reproductive Harm. For more information, visit www.P65Warnings.ca.gov.
15.5"W x 15.5"L x 6"H