28 Jul Golden State Art, 50 Pack 5X7 Corrugated Cardboard Sheets Cardboard Inserts Flat
9X12, 5X7, 8.5X11, 10X10, 8X10, 16X20, 11X14, 11X17, 6X9, 12X12, 24X36. This corrugated cardboard is available in a variety of sizes: 5x7, 8x10, 8.5x11, 11x14, 11x17, 12x12, ect. 50 full sheets of corrugated cardboard pads....