sit between the Covers and the Inserts to make Sactionals even more resistant to life's messes. The Seat Cushion Insert Protector creates a liquid-resistant barrier between your favorite Sactionals Cover and your Seat Cushion Insert. This barrier helps avoid any damage to your Seat Cushion Insert that could be caused by spills soaking through, further extending the life of your Sactionals and allowing them to stay new.