XL Booksleeve Measures 8.5"x11" is padded, and is perfect for those large hardbacks.
Standard Booksleeve Measures 7.5"x10" is padded, and is perfect for paperbacks, ARCs and smaller hardbacks.
Mini Booksleeve measures 6"x 8" is padded, and is perfect for cozy mystery paperbacks or kindle paperwhite, kindle voyage, nook, kobo touch and kobo mini.