The removable pillow cover, which comes in a variety of colors ... with small sizes for youngsters between 3 and 7 years old, and medium options for ages 8 and 12. Travelers like the ergonomic ...

which are 5.75 or 7 inches, respectively. The pillow insert can only be spot-cleaned, so you'll need a good pillowcase to protect it. However, it does come with a machine-washable cover that can ...