1. Cover: the wrapping paper outside the book cover.
2, waist seal: in the middle of the book.
Second, the content is different.
1. cover: printed with book title, author, publisher name and decorative pictures.
2, waist seal: write a text introduction similar to a belt with marketing or book recommendation.
Third, the roles are different.
1, seal: protect books from being damaged; Books can be decorated and upgraded.
2. Waist seal: It exists for book promotion and marketing.
Baidu encyclopedia-book waist cover
Baidu encyclopedia-protection seal