A4 size. It is developed only ink jet & bubble jet printing labels. Small letters, without smudging, dries quickly and border entries clearly. Produces the output printer performance as in high-quality, vivid color. Ideal for digital cameras and photo-CD image output. -Gloss paper label-sheet size: A4-sheet (surface mounting): uncut-size: 210 x 297 mm-standard thickness: 0. 175 mm-material: glossy coated paper-quantity: 10 sheet-printing: ink jet printer (for color)