This pack contains 100 sheets of metallic holographic card stock, each measuring 8.5 x 11 inches. The paper features a shiny, glittery, iridescent finish with a mirror-like surface. It is 250 GSM thick, making it suitable for various craft projects. The sheets come in multiple colors, adding vibrant and reflective effects to scrapbooking, lettering, posters, and other creative work. The durable, high-quality material is designed to enhance visual appeal and provide a sturdy base for artistic projects.