{"product_id":"leuchtturm1917-notebook-a5-soft-cover-squared","title":"Leuchtturm1917 Notebook A5 Soft Cover, Squared","description":"Format: A5 (145 x 210 mm) — 123 pages — 5 x 5 mm squared grid — 80 g\/m² ink-proof, acid-free\u003cbr\u003eBinding: Flexible softcover — thread-bound — 180° flat-lay\u003cbr\u003eIncludes: Table of contents, 8 perforated sheets, 2 ribbon markers, elastic band, expandable rear pocket, archival stickers\u003cbr\u003e\u003cbr\u003eA lightweight 5 x 5 mm graph grid notebook for software engineers, architects, researchers, and technical designers who need precise geometric structure without the weight of a hardcover. The faint grid guides code block mapping, dimensional calculations, and data organization cleanly without overpowering ink work. The flexible water-resistant cover slips into bags and portfolios with minimal bulk — 123 numbered pages of fountain pen compatible, feather-resistant paper throughout.","brand":"Leuchtturm","offers":[{"title":"Default Title","offer_id":51787689001309,"sku":"4004117328213","price":4100.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/4405\/4621\/files\/Leuchtturm1917-Notebook-A5-Soft-Cover-Squared_All_4756_3.jpg?v=1718427045","url":"https:\/\/unfide.com\/sv\/products\/leuchtturm1917-notebook-a5-soft-cover-squared","provider":"UNFADE","version":"1.0","type":"link"}