Additional Photobook Pages for 10X12

Every additional Photobook page comes in 2 pages. For example, if choose to add 1 means add 2 pages, choose 2 means add 4 pages.
 
Setiap tambahan photobook page adalah 2 pages. Contohnya, jika pilih 1 maksudnya tambah 2 pages, pilih 2 maksudnya tambah 4 pages.