Singer Small Notions Organizer Product Features & Benefits: Dual swingout compartments of inner storage; clear swingouts to see inside; cases interconnect to stack vertically; swingout can open while stacked; for sewing room, classroom, craft room and office; stores pins, safety pins, buttons, needles, beads and other small objects; individual organizer dimensions: approximately 3.75in diameter x 1.3in h.