Size: 17" (43cm) Round These come in pack of 1, 2, 4, 6, 8 or 10. These circular inner cushion pads are excellent quality with soft inner filling which ensures these round cushion pads come back to their original shape time after time. The cover is corovin and the filling is anti-dust mite. These are suitable for allergy sufferers The size mentioned is the size that applies to the cushion casing. These are generously filled and may make the cushion look smaller. We recommend using one size larger to ensure you get the plump and full look. Sponge Clean Only