{"product_id":"custom-calcium-carbonate-karst-pen","title":"Custom calcium carbonate Karst pen","description":"The Karst Pen is a \u003cb\u003ecustom pen\u003c\/b\u003e crafted from \u003cb\u003ecalcium carbonate\u003c\/b\u003e, the same core material used in stone paper, bringing balanced weight and a smooth, bolder stroke to every signature. Its floating-ball black ink system delivers fast-drying, richer ink density, making it a refined corporate gift or a standout addition to your branded office essentials.\n\nLaser engraving ensures long-lasting logo visibility on every pen, making it ideal for new-hire onboarding kits, client appreciation gifts, and conferences. Pair it with Karst stone paper notebooks for a cohesive, sustainability-minded gift set that reflects your brand's values at trade shows or executive events.","brand":"PCNA","offers":[{"title":"Black (Bk)","offer_id":59125524136271,"sku":"0912-07BK","price":23.0,"currency_code":"USD","in_stock":true},{"title":"Navy (Ny)","offer_id":59125524169039,"sku":"0912-07NY","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/2821\/8063\/files\/0912-07-5ad277fb.webp?v=1792071654","url":"https:\/\/atelierbox.com\/products\/custom-calcium-carbonate-karst-pen","provider":"Atelier Box","version":"1.0","type":"link"}