WE are trying to find the best way to store 800 pound round bales outside. We make stacks that have two bales on the botom and one on the top. WE have used tarps from the local farm store before and theydid not stay on very well and only lasted one year. Has anyone used the tarps that have the pocket that you put the pipe in to help hold the tarp down? I cant find much on the internetabout them i did find them in the Farmtek catalog but the price seems a little high. Does anyone know a place that sells them also?