Eggcrate Wheelchair Cushion 16inx18inx3in (Approx size) Doctors Physicians Scales Kydex© core can be modified Specialty Scales Kydex© core can be modified with heat gun * Thumb is held in functional position * Made in the USA s position over time * Lightweight & easy to handle and carry * Cushion can be easily cleaned with soap and water * Cover is machine washable * Flame resistant black neoprene (not made with natural rubber latex) support pad can be patched to extend use * Separated air cells allow air circulation to reach the surface of the skin * Without cover * Seat Only (without Back) * Good for even distribution of weight * High density long lasting foam allows better circulation of air * Seat: 16X18X3 (approximate size)