It depends on what stage I'm at and how many pieces or large the quilt (or project) will be. I usually start off with everything in ziploc bags - the zipper kind and all those smaller bags (from snack to gallon) go into a 2 1/2 gallon size with the pattern or sketch and any other information I may need. As I progress with sewing the pieces together, they move to a larger ziploc. I haven't done anything yet that won't fit into one of those 2 1/2 gallon ziplocs. When I'm finally finished, the quilt (or project, is usually destined to go to another home. I keep my various and sundry projects in one of those clear totes until I'm done.