The secret to Nifty's Catch-All Carpet liners all-around performance starts with their custom-molded base. This unique design not only hugs your floors, it blocks mud, moisture and dirt from getting past the liner. The unique anchor system fastens the liners in place, which means no sliding and your liners will stay exactly where you placed them. And, the stain-resistant treatment makes cleaning your liners as simple as hosing them off and hanging them to dry. Great warranty With a Limited Lifetime Warranty covering all defects in material or workmanship, Catch-All Carpet floor liners offer more protection, more style, and a better fit than any other floor liner on the market.