Whilst the machine was out, I also created two mattress covers for the 'kennel' that Ruby sleeps in at night. The current mattress has brown fur type material and is an absolute beggar to hoover and wash without putting hair into our machine. I do have a large special dog wash bag but it won't fit into it.
I used two different scrap pieces of material and my new popper machine (KAM Snaps) to allow the end to close. They are basically two giant pillowcases: