Micro slide box is made of gray, high-impact polystyrene. Has a capacity of 100, 3"" x 1"" slides. Printed index in the cover. Bottom is lined with cork pad. Cover has steel hinge pins and a nickel plated catch. Also suitable for 25 x 75 mm slides. Size is 8 5/16"" x 6 3/4"" x1 5/16"".