RAINBOW Dry Ice Packs for Shipping Long Lasting (8 Sheets, 12 Packs/Sheet), Reusable Lightweight Food Ice Pack Sheets for Lunch Boxes or Coolers, Shipping Frozen Food, 7 X 13 - Cut to Any Size

when placing in freezer, DO NOT FOLD MESH SIDE TOUCHES, or it will stick and freeze together. Before freezing, dry the surface of the ice pack sheets well, (must be noted: the mesh side and the mesh s...