Protects Roho Cushions From Rough Wear And Tear Fluids And The Degenerating Effects Of Poor Quality Ozone * Helps Protect The Cushion From Rugged Use And Every-day Wear And Tear * Protects Against Incontinence With Its Fluid-resistant Material And Durable Construction * Although This New Cover Is Ruggedly Designed It Still Allows For The Benefit Of The Therapeutic Skin Protection Of The Roho Cushion * Allows For Easy Access To Roho Cushion Valves And The Isoflo Memory Control On Select Series Cushions With A Double Pull Zipper *