I went to a comic book store that was close to my home, because I didn't want to wait for them to be mailed. They were $3.98 for 50. Check your local yellow pages you may have a comic book store close to you. Originally I bought 150 (3 packages) and ended up going back 2 more time. Due to the dust and lots of sunshine, I keep my fabric in plastic containers. I open them up often enough I am not concerned about mold.