{"product_id":"karst-pen","title":"Karst Pen","description":"The Karst Pen is Swiss-made and crafted with calcium carbonate – the same core material as stone paper. The Karst Pen brings weight and balance to every stroke. Floating Ball®, black ink system delivers what Stone Paper demands: smoother flow, a bolder line, and ultra-fast drying, with up to 200% richer ink density, and exceptional performance on regular paper. Pair with Karst Stone Paper Notebooks.","brand":"Karst","offers":[{"title":"Black (BK) \/ One Size","offer_id":47851039490211,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false},{"title":"Navy (NY) \/ One Size","offer_id":47851039522979,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5541\/5971\/files\/0912-07NY_D_1.jpg?v=1783532990","url":"https:\/\/crosslineco.com\/products\/karst-pen","provider":"Crossline Co","version":"1.0","type":"link"}