These are medium weight: heavier, sturdier & longer lasting than the typical white bags sold online. Medium-weight fabric increases their longevity (they'll last twice as long as white sandbags) and double-stitched bottoms give them more strength when being moved around. They can hold up to 50 lbs of fill and excel when high-visibility is called for.
These tightly-woven bags are treated with 1600 hours UVI and come with tie strings. They're resistant to water, insects, and soil bacteria.
Online purchases sold in lots of 10, 100 and 1000. Discounts for large orders. Filled bags (avg. 35-40 lbs each) are $3.50 each if you pick up; delivery is extra.
As with all our polypropylene bags, their lifespan in summer can be measured in months - the sun's infrared and UV will eventually cause them to photodegrade. Their lifespan can be extended by keeping them out of direct sunlight, or by covering them with black plastic, earth, plaster or stucco.