The HP Premium Glossy Photo Paper is a high-quality printing material designed for premium photo printing. With a glossy finish and a weight of 240 gsm, this paper provides a sleek and professional look for your photos. The 20 unopened sheets of 4 x 6" paper ensure that you have plenty of stock for your printing needs. Compatible with various printers, this Premium Glossy Photo Paper is a reliable choice for achieving stunning and vibrant prints.The extra pack I believe is Kodak brand and sealed- no box - presume about 15 small sheets