Replacement Vinyl Top Soft Cover Lid for 6' Spa-N-A-Box with Cover Locking Straps Original Equipment Softcover for Comfort Line Products 6' Spa-N-A-Box. This replacement cover will work with both the new and the old models. Improved thicker mylar backing for heat retention and durability Locks down with included straps for safety into corner pieces on spa Available only through Oceantis LLC, the Home of the Spa-N-A-Box