eSandbags - Empty Polypropylene Sand Bags w/Tie eSandbags Durable and affordable Sand Bags , our Poly Sandbags boast a 1600 hr UVI rating in the sun. These sandbags will survive the roughest field use. Strong tubular woven poly fabric. Hemmed top makes filling easier and attached tie strings make for a strong, leak-proof closure Our empty polypropylene eSandbags are used in flood protection, traffic control, erosion control, and as ballast, these bags are as versatile as it is they are affordable. Fill each bag up with as much as 50 lbs of sand and seal with attached tie string. Extended UV additive will give this bag a longer life than most in the sun. Used in flood protection, traffic control, erosion control, and as ballast, this bag is as easy to use as it is versatile and affordable 14"x26" with Attached Tie String. eSandbags logo printed on one side of sandbag Woven polypropylene resists punctures and tears. Dense, tight weave holds almost any dry substance. eSandbags Trademarked logo on bags.