{"product_id":"oil-rag","title":"Oil Rag","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eOil Rag is part of the Keystone Formula fountain pen ink line, our traditional dye-colorant ink. The 50mL volume will provide approximately 62 standard converter refills assuming a 0.8mL draw.\u003cspan\u003e Our ink swatch is produced with a cotton swab on Tomoe River paper.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Fountain Pen Ink","offers":[{"title":"50mL Glass Bottle","offer_id":47365907611890,"sku":"PN100785","price":17.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1237\/1088\/files\/Oil_Rag_afa58eb9-8de2-4b0f-ad53-5a835e5b45b5.jpg?v=1741106503","url":"https:\/\/www.birminghampens.mom\/products\/oil-rag","provider":"Birmingham Pen Company","version":"1.0","type":"link"}