The Jay® CareTM wheelchair cushion can generally be categorized as a gel cushion due to its pressure-distributing fluid-filled pouch component. Sunrise Medical—the manufacturer of this product—specifies this cushion as follows.
Sunrise Medical's "Ballistic Stretch" cover comes with this Jay Care wheelchair cushion. The manufacturer's non-porous "Incontinence" cover is also available for this cushion.
Please note that the manufacturer's listed sizes are typically smaller than the actual dimensions of the cushion. For example, the manufacturer's 16" x 16" size Jay Care cushion actually measures closer to 17" x 17.8".