• The Original Umbrella Weight Bag! 18" Round design - simple and convenient - Just add your own sand*
• Designed for to fit almost any umbrella - Cantilever, Market or Garden posts up to 3.5"
• Rugged and durable Ballistic Rip-stop polyester with PVC lining and triple stitch-locked seams.
• Adds up to 85 lbs of gravity to your existing umbrella stand, additional Gravipod can be stacked for increased stability
• Soft and easy on the toes, no hard edges to kick. No rust, dings or dents.
• Easy Fill System makes it simple to fill with sand in place, so no heavy lifting
• Weatherproof: Neither sleet, nor rain, sun or snow will defeat our weight bag. It was designed and rigorously tested to withstand Mother Nature's whims.

Craftsmanship Details:

• Industrial Ballistic Rip-Stop Polyester fabric with 5/8 inch weave. Top of the line industrial grade fabric.
• Highest Quality 2" Velcro to prevent messy leakage or spillage, even with multiple fillings. Grade A means it is the strongest, most durable velcro on the market.
• Triple-stitched 606 Heavy Duty Polyester thread sewn on all seams. The highest tensile strength available for sewing production.
• Internal water resistant PVC membrane which keeps moisture out and sand inside the product. This critical, full additional layer of protection, does not degrade.

Shipping Note: Shipping to Alaska, Hawaii, and PO Boxes is not available for this item

Warranty: 90 Day Woot Limited Warranty