I use cardboard boxes. I cut them up with my rotary cutter (I have one cutter marked card board) and a ruler. I cut the bigger size 8.5 x 12" (Why? because I have a ruler that size) for yardage. for fat-quarters 5" square. These sizes fit nicely on my shelves. This way my fabric is setting one the shelves like books. I place them according to color. When I want a particular piece, I can remove it without disturbing the other material. Likewise when I get a new piece I can squeeze on the shelf in its right place. I have been doing this for a long time and had no problems. I figure the fabric stores use cardboard to wrap their material so why not.....I get my boxes from different stores, just make sure they are cleaqd. Most stores are glad to get rid of them. I also save any boxes that come with on line purchases. My husband is addicted to shopping on-line