HP Production Coroplus Board 24" x 18", 25 Sheets The HP Production Coroplus Board 24" x 18" Pack provides a professional solution for producing durable corrugated plastic signs quickly and economically. Featuring a specialized inkjet coating for HP PageWide XL Pro printers, this pre-cut 4 mm board delivers brilliant color, crisp graphics, and instant-dry performance for efficient print-on-demand production. Perfect for short-term outdoor applications, it eliminates the need for mounting printed graphics to rigid substrates. Key Features 24" x 18" pre-cut boards, 25 Sheets/Pack 4 mm (177 mil), 990 gsm corrugated polypropylene board Double-sided printable with matte finish Instant dry with HP PageWide XL pigment inks Durable, lightweight and easy to transport REACH compliant Optimized for HP PageWide XL Pro printers Ideal For Ideal for sign manufacturers, print shops, retailers, contractors, and marketing agencies creating real estate signs, construction signs, retail promotions, event signage, political campaign signs, and outdoor advertising.