Aperture depth: 100mm (4'').
Aperture width: 100mm (4'').
Wheelchair cushion depth: 85mm (3.5'').
Wheelchair cushion width: 430mm (17'').
Wheelchair cushion length: 430mm (17'').
Wheelchair cushion weight: 650 gms.
Maximum user weight: 95 kgs (15 st).
Wheelchair cushion colour: BLACK.