{"product_id":"lighthouse-invisible-ink","title":"Lighthouse Invisible Ink","description":"\u003cp style=\"margin: 0px; height: 0px; overflow: hidden; max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/10\/09\/2edd8ac0-7b17-48db-abfd-a0a022230abb.png\" style=\"max-width: 100%; height: auto; object-fit: contain;\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eThis is tramol invisible fountain pen ink with 18ml capacity, a creative magic invisible ink for handwriting and drawing.\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eThe writing trace is nearly invisible under normal light, and will glow under ultraviolet?ray light for interesting secret creation effect.\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eAdopts non?carbon formula, which keeps good fluidity and helps protect fountain pen from clogging.\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eIdeal for secret note?taking, hidden message writing, graffiti, hand?drawing creation and interesting interactive games.\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eComes with two options: ink only set, or ink set matched with ultraviolet light for instant observation of luminous effect.\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eCompact glass bottle packaging, easy to store and carry for daily use and gift?giving.\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e \u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eStyle: Invisible magic fountain pen ink Material: Liquid ink, glass bottle container Process: Special invisible luminescent formula Colors: Transparent invisible,\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003eglow blue under UV light Compatible Models: General fountain pens Applicable Brands: Universal for most fountain pen brands\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e \u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cstrong\u003ePacking List: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e?Option 1: 1 � 18ml invisible ink bottle ?Option 2:\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e1 � 18ml invisible ink bottle + 1 � ultraviolet light\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/10\/09\/d8f9c804-06e0-4ef0-a322-2fd60e1efdbc.jpg\" style=\"max-width: 100%; height: auto; object-fit: contain;\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/10\/09\/5e386e87-f9c8-41b4-bee7-822a29199bde.jpg\" style=\"max-width: 100%; height: auto; object-fit: contain;\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/10\/09\/3378ea06-ea36-476f-8980-ccba23bef26d.jpg\" style=\"max-width: 100%; height: auto; object-fit: contain;\"\u003e\u003c\/p\u003e","brand":"teemdrop","offers":[{"title":"Tower Invisible Ink 18ml","offer_id":55571939983689,"sku":"SUDEMPA00021-A0","price":21.18,"currency_code":"EUR","in_stock":true},{"title":"Tower Invisible Ink 18ml UV Lamp","offer_id":55571940016457,"sku":"SUDEMPA00021-A1","price":21.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1030\/2347\/7065\/files\/25231dc8-c682-4b4f-aa8d-c8f8d48a48d8.jpg?v=1791627462","url":"https:\/\/6ymnji-w7.myshopify.com\/fr\/products\/lighthouse-invisible-ink","provider":"My Big Market","version":"1.0","type":"link"}