The 5S Store 3-Ring Magnetic Hanging Binders for Standard 8X11 Sheets (1 Inch) The 5S Store magnetic binders are 2 and 3 ring binders made from high-grade die-cast aluminum Two strong magnets on the back of binder holds up to 10lbs of material Place them throughout your plant/warehouse for efficient visual control D-Ring shaped binders make for ease of use when flipping through charts/materials Excellent way to display information to employees - From The 5S Store - the leader in quality control products