The Deepsleep series is all about investing in sleeping comforta good night's sleep is a great foundation for a new day on the go! Inflatable pillows are a good option for many, but their structure is inevitably somewhat firm and unyielding. The Deep Sleep Pillow L is a different storyits filled with technical foam material. So, its much closer to the pillow you use at home than an inflatable one. - Comfortable outer fabric - Ergonomic design - Side loops allow you to attach a cord around your sleeping mathelping keep the pillow in place - 5-year warranty