What does Suzy use as pillow?

 miss A's Suzy updated her Twitter on 4th June with new photos.

She wrote,"You can't just use anything as pillow when you are tired",she's seen sleeping comfortably using her bag as a pillow.

Then she tweeted again,"Everyone will watch Gu Family Book right?",showing her cute expression while holding her "pillow".

Fans commented,"you must be really tired","Will watch every single episode of Gu Family Book" and etc.