Models : - 14.0160 : Cushion with standard cover 16" x 16" - 5200-2I : Cushion with Incontinent Cover 16" x 16" - 14.0162 : Cushion with standard cover 18" x 16" - 5205-2I : Cushion with Incontinent Cover 18" x 16" - 14.0161 : Cushion with standard cover 16" x 18" - 5206-2I : Cushion with Incontinent Cover 16" x 18" - 14.0163 : Cushion with standard cover 18" x 18" - 5208-2I : Cushion with Incontinent Cover 18" x 18" - 5218202 : Cushion with standard cover 18" x 20" - 5218202I : Cushion with Incontinent Cover 18" x 20" - 5220182 : Cushion with standard cover 20" x 18" - 5220182I : Cushion with Incontinent Cover 20" x 18" - 522020 : Cushion with standard cover 20" x 20" - 522020I : Cushion with Incontinent Cover 20" x 20"