I have been trying to find a carrying case to take to retreats that would have various pockets to hold supplies. The ones that I have found would not be big enough for a 18 x 24 cutting mat. I am either not looking in the right place or do not know what to google. What do you quilters use to carry supplies and have it organized? Does anyone have suggestions either for a place to look for it or a pattern that I could make? Thanks.