Steel Wool Mice Control 4'' * 21' Total Rodent Control Fill Fabric, Steel Wool Pads Mouse Blocker Keep Mice Away from Holes Wall Cracks Gaps(2 Rolls)Brand: Wanqueen Color: Black 01 Features: High Quality: Made of thousands of high quality metal fibers, our steel wool mice control material is a multi fiber wool blend that's soft, thick, fluffy, and flexible. The steel wool pads are sharp enough to prevent small animals from biting through, while still allowing air to circulate. Green Method to Block Holes: Our steel wool mice control is a safe and effective way to create a protective barrier