Bulky paper is a type of paper designed for book printing, characterized by its thickness, opacity, and bulk. Here are the key features of bulky paper:

1. High Bulk: Bulky paper is known for its high bulk, which means it has a thicker feel compared to papers with similar weight. This feature contributes to a substantial and durable feel in printed books.
2. Opacity: The paper typically has high opacity, minimizing show-through and ensuring that text and images on one side of the page do not interfere with the readability of the other side.
3. Smooth Surface: Despite its thickness, bulky paper often has a smooth surface, allowing for sharp and clear printing of text and images. This feature contributes to the overall print quality of books.
4. Suitable for Long Print Runs: The combination of thickness and opacity makes bulky paper suitable for long print runs, providing a durable and aesthetically pleasing option for book publishers.
5. Available in Various Grades: Bulky paper comes in various grades, allowing publishers to choose the thickness and weight that best suits the content and purpose of the book, whether it’s a novel, textbook, or art book.