{"product_id":"uniball-eye-ub150-rollerball-pens-10pack","title":"Uni-ball Eye UB-150 Rollerball Pens 10-Pack","description":"\u003ch2\u003eUni-ball Eye UB-150 Micro 0.5mm Liquid Ink Rollerball Pens (10-Pack Box)\u003c\/h2\u003e\n\u003cp\u003eThe Uni-ball Eye UB-150 stands as a benchmark in precision rollerball design, trusted worldwide for decades by professionals, students, and drafters. Built with Mitsubishi Pencil's proprietary Uni-Flow internal ink feed system, the UB-150 regulates internal reservoir pressure automatically to ensure smooth, continuous ink delivery down to the very last drop without skipping, blotting, or sudden ink drops. Each pen features a hardwearing stainless steel tip that glides effortlessly across paper, making extended writing sessions, note-taking, and documentation fatigue-free.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUni-Flow Reservoir System:\u003c\/strong\u003e Maintains balanced air-liquid pressure for consistent ink saturation and flawless starting on the first stroke.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArchival uni Super Ink:\u003c\/strong\u003e Pigment-based formula bonds deeply with paper fibers, providing outstanding water resistance, lightfastness, and chemical tamper resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Stainless Steel Tip:\u003c\/strong\u003e Precision-crafted 0.5mm micro ball withstands heavy hand pressure while producing a steady, ultra-clean 0.35mm line.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVisible Ink Window:\u003c\/strong\u003e Transparent barrel indicator lets you effortlessly check ink supply before meetings, study sessions, or exams.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEconomical 10-Pen Box:\u003c\/strong\u003e Ideal bulk pack for busy offices, classrooms, financial record-keeping, and legal archiving.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Uni-ball (Mitsubishi Pencil Co., Ltd.)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e UB-150 (Eye Micro)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip Size:\u003c\/strong\u003e 0.5 mm (Micro ball diameter)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Type:\u003c\/strong\u003e Liquid pigment-based ink (Fade-proof, Waterproof)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Color:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip Material:\u003c\/strong\u003e Stainless steel with tungsten carbide ball\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCap Type:\u003c\/strong\u003e Snap-on cap with sturdy stainless steel pocket clip\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 10 pens per box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What makes the Uni-ball UB-150 different from standard gel pens?\u003c\/strong\u003e\u003cbr\u003e\nA: The UB-150 uses free-flowing liquid pigment ink regulated by a multi-channel feed rather than a high-viscosity gel paste. This delivers immediate ink transfer with virtually zero writing friction and a richer, more saturated line.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is the ink waterproof and smudge-proof once dry?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The specialized uni Super Ink formula uses fine pigment particles that permanently lock into paper cellulose, resisting water, alcohol, highlighter bleed, and UV fading.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can the pen be refilled once empty?\u003c\/strong\u003e\u003cbr\u003e\nA: The Uni-ball Eye UB-150 is designed as a direct-fill disposable liquid ink rollerball with a sealed high-capacity reservoir, maximizing ink volume and leak prevention during travel.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the store's customer service and order cancellation policy?\u003c\/strong\u003e\u003cbr\u003e\nA: For order inquiries, contact our customer service team at szjyf@outlook.com. Full refunds are available upon request anytime before your shipment confirmation is issued.\u003c\/p\u003e","brand":"Uni-ball","offers":[{"title":"Default Title","offer_id":69625013272610,"sku":"Uni-Rollerball-UB150","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/1793783594340--904854511_38805260-40db-4847-9b54-38c439307fc5.jpg?v=1793783888","url":"https:\/\/www.xypen.com\/products\/uniball-eye-ub150-rollerball-pens-10pack","provider":"XYPen","version":"1.0","type":"link"}