Hygloss Holographic Card stock Mosaic 8.5" x 11" 5 SheetsThis 10 pt. cardstock is acid and lignin free. This holographic specialty paper change colors and appear to move as you move. The dynamic design is perfect for attention grabbing signs, poster, school bulletin boards, displays, and greeting cards. The flip side is white and can be printed on with an inkjet printer (white side only). Each package contains five 8 1 2 x 11 sheets. Choose from a single color or an assortment pack (1 sheet of 5 colors).