ROHO Standard Series Cushion Cover, 10 x 10 Cell, High Profile, 18.25" width 18.25" depth 4.25" height. Features include a two-way stretch nylon/spandex top, polyester spacer fabric sides with a zipper, and a polyester/rayon non-skid PVC coated bottom with hook and loop fasteners to help secure the cushion in the chair. The ROHO Standard Series Cushion Cover can be used with ROHO Single Compartment, ROHO Dual Compartment, ROHO ENHANCER and ROHO MOSAIC cushions.