{"product_id":"retro-51-standard-cartridges-6-pack","title":"Retro 51 Standard Cartridges 6 Pack","description":"\u003cp\u003eFountain pen ink cartridges for all Retro 51 fountain pens. These are standard pattern, so will fit many other brands of fountain pen as well.\u003c\/p\u003e","brand":"Retro 51","offers":[{"title":"Black","offer_id":43185200890099,"sku":"RE89880-BK","price":3.34,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":43185200922867,"sku":"RE89880-BL","price":3.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/RE89880-BK_Retro-51-Standard-Cartridges-6-Pack-Black_P1.jpg?v=1663350986","url":"https:\/\/cultpens.com\/en-us\/products\/retro-51-standard-cartridges-6-pack","provider":"Cult Pens","version":"1.0","type":"link"}