HP Sprocket Portable Photo Printer, (2x3-inch), Sticky-Backed 20 Sheets HP ZINK(R) Sticky-Backed Photo Paper, 20 sheets, 2x3-inch for use with the HP Sprocket Photo Printer. Instant. Sharable. Fun. Turn your favorite photos into sharable fun with HP ZINK(R) Photo Paper. Easily load them into your HP Sprocket Photo Printer and start printing smudge-free, colorful prints instantly. And they're designed with a peel-and-stick back, so your favorite moments can be more than just another social post. Adhesive small stickers. ZINK Technology and trademarks from ZINK (R). Used under license.