Roundup five old pillowcases that you don't use anymore. Sew them together at the seams, leaving the openings clear so you can later insert pillows. Once they're all sewn together, insert pillows! You can either leave the sides open or better yet — add snap buttons so the pillows stay put, but are easy to remove when you need to wash the pillowcases.
Sew Old Pillowcases Together To Make Floor Cushions