Styrofoam Cooler Box Insulation For USPS Box 4 - 7x7x6 Makes 20 Styrofoam Boxes
Installation is very easy. The rest of four pieces go around the side walls. Size of the box is 7x7x6. You will receive twenty sets of pre cut styrofoam sheets totaling 120 pieces that will provide insulation for 20 boxes size 7x7x6.