{"product_id":"karst-stone-pen","title":"Karst Stone Pen","description":"\u003cp\u003eA Swiss-engineered pen from the same core material as their paper, the Karst Stone Pen brings genuine weight, balance, and ink performance built specifically for stone paper –calcium carbonate, cast into a completely different form.\u003c\/p\u003e\n\u003cp\u003eFloating Ball® 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. The finishing piece of the Karst writing system and the pen you’ll reach for every day. Available in Black and Marine body – black ink.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSwiss-engineered with a hexagonal body for comfortable extended writing, a matte finish for secure grip and an integrated steel clip for effortless everyday carry.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e50% heavier than standard plastic pens. Crafted with 60% calcium carbonate for perfect weight and balance. * Free from phthalates and harmful substances – designed to be safer for people and the planet.\u003c\/li\u003e\n\u003cli\u003eFloating Ball® ink system dries in 1–3 seconds on Stone Paper (vs 30+ for gel) with smoother flow, bolder lines, and zero smudge.\u003c\/li\u003e\n\u003cli\u003eWrites up to 5,000 meters, with testing confirming consistent ink intensity across 25 full pages on Stone Paper.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AMEICO","offers":[{"title":"Black","offer_id":49892005216499,"sku":"KARSTPEN_BLACK","price":22.0,"currency_code":"USD","in_stock":true},{"title":"Marine","offer_id":49892005249267,"sku":"KARSTPEN_BLUE","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/3324\/5171\/files\/RESIZEblack-stone-pen-1400px_83f5528c-0ccf-42b0-92ac-163ca73c49e5.webp?v=1794330070","url":"https:\/\/mcachicagostore.org\/products\/karst-stone-pen","provider":"MCA Chicago Store","version":"1.0","type":"link"}