This fabric case from the Knit Pro Aspire Series is meant for many different kinds of needles, with pockets for noninterchangeable round needles, double point needles, crochet needles, interchangeable needle tips as well as 3 zipper pockets (two with a see-through side) for cables and other accessories.
Size when closed: about 17.5 cm (7 in) x 29.5 cm (11.5 in)