Each pocket has a strip of ultra suede and a zipper across the top. To use, open the zipper and place spools of thread across the row. Before closing the zipper, thread a strand of thread from a spool and then take the needle through the ultra suede. Assorted Colors - no choice. Sturdy fabric case opens up to 11in x 25.5in, and closes to 11in x 8in for easy storage. Color: Assorted (No Choice) Made of: Plastic and Fabric Use: Thread Storage Size: 11in x 8in (Closed) and 11in x 25.5in (Open)