Maruman Mnemosyne A5 Notebook - Dot Grid (Black) Designed for professionals, students, and creatives, the Maruman Mnemosyne A5 Notebook - Dot Grid offers a sleek and functional writing experience. It features 80 acid-free, micro-perforated sheets with a 5 mm dot grid layout in subtle gray ink, ideal for structured notes, sketches, and creative planning. The "Title" and "Date/No." spaces at the top of each page help with organization, while the sturdy twin-ring binding ensures a lay-flat design for ease of use. Key Features: A5 size (8.3" x 6.2")—perfect for daily notes, planning, and creative projects. 80 acid-free, fountain pen-friendly sheets for a smooth writing experience. 5 mm dot grid ruling for flexibility in writing and sketching. "Title" and "Date/No." spaces for easy organization. Twin-ring binding for a stable, lay-flat design. Micro-perforated pages for clean, effortless removal. Durable black plastic cover for long-lasting use. Specifications: Manufacturer: Maruman Binding: Twin Ring Cover Color: Black Cover Material: Plastic Cover Type: Softcover Features: Acid-Free, Fountain Pen Friendly Line Spacing: 5 mm Number of Sheets: 80 Paper Refillable: No Paper Weight: 80 gsm Perforated: Yes Perforated Sheet - Length: 21.0 cm / 8.3 inches Perforated Sheet - Width: 13.8 cm / 5.4 inches Quantity in Pack: 1 Sheet Color: White Sheet Style: Dot Grid Size - Depth: 1.4 cm / 0.6 inches Size - Length: 21.0 cm / 8.3 inches Size - Width: 15.8 cm / 6.2 inches Standard Paper Size: A5 Weight (Without Packaging): 8.75 oz / 248 grams