The HP Premium Plus Photo and Proofing Gloss Inkjet 25 Sheet 13x19 Sealed Sheets are high-quality glossy white paper specifically designed for inkjet printing. With a paper size of A3+ (13 x 19 inches), these sheets are compatible with various HP printer models such as the DesignJet 30 and 130 series, as well as Deskjet 9300 and 9600 series printers. The premium quality paper ensures vivid and professional-looking prints, making it perfect for photo and proofing purposes. Made in Switzerland, these sealed sheets guarantee optimal performance and consistent results for your printing needs. Sheets are sealed. Box is opened slightly on one side. See pic.