Products Description Our HiyaHiya Interchangeable case is lightweight and portable and perfect for storing your HiyaHiya or other interchangeable needles. Each case has 16 needle pockets and 2 zipper pockets for accessories and measures approximately 7 x 7 inches when closed. This case is made of a lovely brocade and cotton twill. It has been tested to fit not only the HiyaHiya Interchangeable needle sets, but sets from other manufacturers. Available in assorted colors. Contents are not included.