Come with Black Inner Sheets: Each sleeve includes a black mounting paper that offers a professional and sleek background, perfect for showcasing your artwork, photos, or documentsespecially if theyre smaller than 9" x 12". The black background enhances visual contrast, making your content stand out more vividly. Tailor-Made Spine Title: You can label and identify your watercolors, sketches, scrapbook, art pieces, sheet music, certificates, and other projects by customizing the reversible spine insert. High Transparency Lies Flat When Open: Our presentation book with crystal clear PP sheet protectors offers complete transparency for checking through and organizing. Bound sheet protector lies flat when open, free your hands. Archival Quality Heavy Duty: Made from durable and light weight polypropylene which is archival quality, acid-free, non-stick, and non-glare, and water-proof. Thickened and sturdy cover wont easy to crack and keeps your clear sleeves from being damaged. Multi-Function: Not only suitable for long-term storage but also for displaying your paintings, photos, artwork, drawing, stencils. Great gift for students, teachers, office workers, secretaries, musicians, painters, etc.