{"product_id":"clairefontaine-sketchbook-a4","title":"Clairefontaine Sketchbook A4","description":"The Clairefontaine A4 Sketch Pad is a practical daily studio workhorse for students, illustrators, and design professionals who need a reliable, portable sketching surface across a wide range of dry media. Fifty sheets of 90 g\/m² light-grained white paper deliver enough tooth to grip graphite and carbon pigments cleanly without resistance — fast, intuitive mark-making with consistent line clarity from first stroke to last. The top wire-O spiral binding folds the front cover completely under the pad, creating a rigid self-supporting surface suited for lap sketching in galleries, lecture halls, and outdoor locations.\u003cbr\u003e\u003cbr\u003eMicro-perforated sheets separate cleanly along the top edge without tearing or leaving paper fringe. Acid-free and pH-neutral throughout.\u003cbr\u003e\u003cbr\u003eProduct Details\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFormat: A4 — Sheet count: 50\u003c\/li\u003e\n\u003cli\u003ePaper weight: 90 g\/m²\u003c\/li\u003e\n\u003cli\u003eSurface: Light grain — white, acid-free, pH-neutral\u003c\/li\u003e\n\u003cli\u003eBinding: Top wire-O spiral (Intégrale) — folds flat, self-supporting\u003c\/li\u003e\n\u003cli\u003ePerforation: Micro-perforated top edge — clean fray-free separation\u003c\/li\u003e\n\u003cli\u003eRecommended media: Soft graphite pencil, charcoal, fineliner, colored pencil, felt-tip\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003eCommon Questions\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the 90 g\/m² weight suitable for light marker work?\u003c\/strong\u003e The 90 g\/m² stock handles dry media and light fineliners well. Heavy alcohol-based markers may show slight bleed-through to the sheet below — for marker-heavy workflows, a heavier stock like the 160 g\/m² Cray-ON or 250 g\/m² Paint-ON range is recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the spiral binding allow left-handed use without obstruction?\u003c\/strong\u003e Yes. The top-bound wire-O spiral sits along the top edge of the pad rather than the side, making it equally comfortable for both left and right-handed users with no spiral obstruction during drawing.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Clairefontaine","offers":[{"title":"Default Title","offer_id":51784668086621,"sku":"3329680969047","price":2300.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/4405\/4621\/files\/Clairefontaine-Sketchbook-A4_All_707_5.jpg?v=1718409897","url":"https:\/\/unfide.com\/products\/clairefontaine-sketchbook-a4","provider":"UNFADE","version":"1.0","type":"link"}