Made of premium rugged and tear-proof 900D Oxford fabric, which is durable, hand washable, waterproof, fade and UV resistant.Simultaneously is military-grade material with triple stitched reinforced sides for extra sturdiness. No need to worry about your weight bag fading and deteriorating after time in the sun, rain, or snow.The patio umbrella base weight bag's maximum capacity is 85 pounds of sand, wrap it around any umbrella pole, and enjoy the peace of mind knowing your family safe in gusty weather.With large sand opening for simple, quick, and no-mess filling, specially designed velcro strap and double zipper ensure the weigtht bags stay securely attached to your patio umbrella, and not be blown down under big wind and rain.It was designed to be stronger, safer and more simple than others on the market. Give yourself peace of mind knowing your family and guests are safe from the dangers of a wind blown umbrella. Protect your property and those your care about with this simple, innovative new product.Model No: ESG13183