She returns a moment later carrying what appears to be a folded blanket. There's a piece of paper in her other hand, which she holds out. "This was on top."

In a terrible, barely-legible scrawl:

I expect to get this back.

Meanwhile, Kaylee's unfolding the blanket. It's dark brown, with a lighter-brown pattern on it (and medium brown shading).

It appears to be a monkey who is also a cyborg shooting down a helicopter.

She holds it up for his perusal.