Luxury New Extra Filled British Handmade Duck Feather Cushion Inner Pad Insert. 100% Cotton Cover - Cambric Down proof 233 Thread Count. 100% Natural Duck Feather Filling. The cushion pad/inners can be used on your sofa, in your car, on the floor, in your bedroom and also be taken away on a picnic or on a plan flight. The cushion pads upon receipt via the post may seem flat this is due to the fact that they have been through the postal system. In order to make your cushion pads plump you would need to air and plump them.