Dealing with mice or other pesky rodents? This steel wool is seriously the most effective and affordable solution I've found! Those little critters can squeeze through the tiniest holes, but they absolutely cannot chew through these tough metal fibers. Each roll is 3.2 inches wide and 12 feet long, giving you plenty of material to seal up all those annoying gaps around pipes, vents, windows, and foundation cracks. What's great is that it's flexible enough to stuff into any shape opening - just tear off what you need and pack it in tightly. The fibers are thick and durable, creating a barrier that rodents simply can't get through, yet air can still pass so you don't have to worry about ventilation issues. I've used it around plumbing pipes in the garage, under kitchen cabinets, and in the attic with fantastic results. It does rust in wet areas over time, but that doesn't affect its effectiveness at keeping pests out. Just remember to keep it away from kids and pets since those metal fibers can be sharp. For the price, this is way cheaper than calling an exterminator and gives you permanent protection against unwanted house guests. Seriously, if you're tired of finding mouse droppings or hearing scratching in your walls, this steel wool solution actually works!