Fits A4 and US size paper Rigid pressboard cover One identification adhesive spine label (replacement adhesive spine labels are also available) Compressor bar for added security 25 x 318 x 287 mm (1 x 12.5 x 11.3 inches) is the size (W x H x D). Capacity of Sheets: About 150 sheets European Ring Spacing: 8 cm Spine Width: 1 inch, or 25 mm Material: Sturdy cardboard with marbling paper applied on the outside Color: Black is an option.