One new-old-stock and sealed vintage Sponge Mop Refill No 91300. Says it fits O-Cedar and most other standard size (of the time) sponge mops, both screw attachment and slide fastener type. Yellow extra large cellulose. Scrubbed strip on one side. Branded Chateau, distributed by Preferred Products Inc. Pleasure measure and read all directions on back to ensure refill will work with your mop before ordering! Some light wear on outside of package. From a smoke-free home. Ships next day!