VERSATILE VELLUM PAD: 50-sheet vellum pad with 10 x 10 square per inch grid layout, ideal for both creative and technical applications. DURABLE VELLUM: Acid-free vellum resists tearing, yellowing, and cracking, ensuring long-lasting quality. SUITABLE FOR PENCIL & INK: Write with ease using pencil or ink, providing flexibility for various projects.. ACCURATE GRID LAYOUT: Each sheet features a 10 x 10 square per inch grid layout, perfect for precise sketches and designs. LETTER SIZE: Sized at 8.5"x11", making it convenient for different creative and technical tasks.