These heavy-duty burlap squares are all-natural and untreated. These 7-ounce squares measure 72 inches in length by 72 inches in width. Each bale contains 100 squares. Our precut burlap squares make covering root balls a breeze. These untreated squares biodegrade naturally over time. When you think of burlap, you may not think of its potential for environmental damage. Some imported burlap products contain unregistered pesticides and other toxic agents. As members of the green industry, we only sell burlap that meets strict EPA standards. Do not be fooled by cheaper burlap as it is not always the best value. Our burlap offers better quality and performance, making it a better value long term.Certain sizes must ship via motor freight delivery. These sizes are not eligible for any free or reduced shipping offers.