Gravipod 14" Banner Cross Base Weight Bag - Up to 50# 14" Banner Base Weight - simple and convenient - Just add your own sand* Designed for use on banner cross bases with poles up to 3.0" Rugged and durable Ballistic Rip-stop polyester with PVC lining and triple stitch-locked seams. Adds up to 50 lbs of ballast to your existing cross base. Better than water weights, won't freeze or leak. Soft and easy to use. Note: Does not include Metal Cross Base Stand. Fabric Weight Bag Only.