Why it's special: Micro-coated paper gives ink a vivid and lustrous appearance Durable twin ring binding for convenience and comfort Micro-perforated pages for easy removal Simple design for distraction free writing The Cosmo Air Light Twin Ring Notebook features a unique micro-coated paper with a pleasant texture. There is no better paper for showing off shimmering, sheening, and shading fountain pen inks. Your inks will achieve their full potential with maximum pop and sparkle. See our paper performance test Detailed specs: 120 pages of 92 gsm Cosmo Air Light paper Page styles: blank, 5mm dot grid, 7mm rule Cover materials: Black - G.F. Smith Color Plan, made in England Green - Heiwa Deep Matte, made in Japan Kraft - Takeo GA Kraft Board, made in Japan Black twin ring binding A5 Size: 148 x 210 mm, 5.83 x 8.27" Made in Japan Review of The Cosmo Air Light Twin Ring Notebook: Blake's Broadcast