Plump up your cushions with these 18 Inch Cushion Fillers Availble in 4 or 8 packs Cushion pads are made from a corovin outer Filled with virgin grade conjugated hollow fibre, which gives a great fill and lasting bounce Note: purchasing one size larger than the cover you have is recommended Suitable to be sponge cleaned only. Best for covers measuring 17"-18" Size: 18" x 18" / 45cm x 45cm Buying Options: 9.99 pounds instead of 15.99 pounds for 4 x Cushion Fillers - save 38% 16 pounds instead of 29.99 pounds for 8 x Cushion Fillers - save 47%