Universal Shredder Bags make it easy for you to destroy sensitive documents. Just put them under the machine and they catch the ribbons of paper. These shredded paper bags are made from high-density polyethylene to hold up to heavy loads without puncturing. They re clear so you can see what s inside. These bags are compatible with all sorts of shredding machines. You can also use them in regular wastebaskets for various home and office trash. You get enough bags per box to last you for days or even months of use.