BAEKHYUN – 4th Mini Album [Hello, World] (Photobook Ver.)

Contents
-Photo Book : 250×160 (mm) / 80p
-CD-R
-Postcard : 160×110 (mm) / Random 1ea of 4ea
-Hidden Message Card : 140×100 (mm) / 1ea
-Photocard : 55×85 (mm) / Random 2ea of 8ea
-Sticker : 90×110 (mm) / 1ea
-Profile Card : 145×210 (mm) / 1ea
-Lyrics Folded Poster : 298×418 (mm) / 1ea
-Folded Poster : 298×418 (mm) / Random 1ea of 2ea