Styrofoam Cooler Box Insulation For USPS Box 4 – 7x7x6 Makes 7 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 seven sets of pre cut styrofoam sheets totaling 42 pieces that will provide insulation for 7 boxes size 7x7x6.