http://www.halstedbag.com/our-products/17 Companies are talking about bulk bags and finding space saving alternatives for storage. Organizing a warehouse is effortless with these stackable, reusable, and collapsible bags. The woven polypropylene fabric resists UV rays and repels water for long-lasting wear. The best attribute about bulk bags is the heavy-duty reinforced corner straps that allow up to 3,000 pounds of fine powders, resins, or grains to be transported with forklifts and other warehouse equipment. Contact us today.