Compared to ordinary photo paper, this resin-coated photo paper is designed with a special microporous coating for excellent color performanceInk dries instantly, no smearing, the print comes out nicely with high definition. Ideal for a photo studio or home users who have high requirements for the photographKoala glossy photo paper 8.5x11 inches ultra-premium series is flat and has good stiffness, which enables you to have smooth printing with no hassle. No watermarks on the backThe resin-coated layer can provide extra protection to your photo projects and makes them preserve longer than other normal paperOnly the glossy side is printable. Recommend printing with 'Paper Type' set to 'Photo Paper'Any quality or shipping damage problem could get a refund or replacement