Libman Gator Mop Refill - 1 CT. Tear Resistant Sponge. Easy to Change Refill. Family Made Since 1896. Mopping. Libman Guarantee. Libman isn't just a company, it's our family name. We take personal pride in our products and stand behind them. That's why we have been the cleaning experts since 1896. If you're not completely satisfied, simply call 800.646.6262x2116. For cleaning tips visit www.libman.com. Replace Mophead Every 50 Uses For Best Performance.