Pina Zangaro Machina Aluminum 3-Ring Binder for 8.5x11 Inch Landscape Sheets, 1/2-Inch Capacity (36315) Attention-getting design, practical functionality Lightweight at just 17 ounces Capacity: 1/2, or 90 sheets (20 lb paper), landscape orientation; Exterior dimensions: 9.2 x 12.5 x 1 inches Made in the USA of scratch-and-dent-resistant .040 recycled anodized aluminum By Pina Zangaro, leader in document presentation and archiving solutions since 1989