Here's what other sites are saying:
Catch some campsite zzzzzs with the extra-large and extra-comfy Exped Mega pillow. Its generous dimensions are ideal for use with an Exped MegaMat (sold separately) for a cushy night's sleep.
Designed for car camping or base camping the Exped Mega Pillow is the largest most plush pillow in Expeds line and succeeds in providing in home comfort on the go. Despite its intended use, this pillow packs down fairly small and light to double as a legitimate backpacking pillow for people who need comfort and a good nights sleep. This two component pillow features an inner air core that inflates with just a few breathes as well as a soft nylon outer that offers exceptional next to skin feel.
Exped Camp & Hike Mega Pillow-Green/Grey 7640147769946.