The Paper series uses the nuanced paper from the paper company Takeo for their covers. While at first glance, this may look like a simple, single-toned cover, upon closer inspection, you will find that there is a powder-like layer of fine glitter across the entire surface.
Sky uses Takeo’s Miranda paper for its cover, making it smooth to the touch. Just like the sky in spring, this light blue shade has a slightly muted undertone.