I knit as well and it can be used for that as long as it's one or two projects at a time The dimensions are difficult to determine but i can tell you that that it opens to about fourteen inches wide and about ten inches tall, however you should know that I am measurement challenged and can take ten measurements of the same exact thing and it will be different every time! I can tell you that i have carried four skeins lion brand chunky my full set of interchangeable circular needles and a half finished prayer shall in it at one time it wasn't bulging but it was comfortably full if that helps sorry when my husband gets home i'll have him measure to make sure okay