【5 Adjustable Snaps for Neck Support, Head and Chin】 Full Support! By adjusting the tightness of the buttons, you can adjust the way you wear the airplane travel pillow to achieve neck, head, and chin support. Can be used by people with different neck sizes. Suitable neck size is 8 inch-18 inch. 【Lifetime Replacement Guarantee】If you are not satisfied with our flying neck pillows or service for any reason, please feel free to contact us. We will either refund your money or resend a new U-shaped pillow. 【Detachable and Machine Washable Pillow Cover】Travel may become messy, no need to worry here. Our travel neck pillow cover is removable and washable, and the concealed zipper cover is super easy to remove and allows you to wash it after each trip, which is more hygienic and convenient! 【Double Comfort Material for One Pillow】The travel neck pillow is made of super soft and comfortable silver fox fabric on one side, cool and comfortable ice silk on the other. It's really like two pillows to keep you flexible while traveling. Meets any requirements you need. 【LIGHTWEIGHT COMPRESSION CASE】 The 100% pure memory foam travel neck pillow can be easily pressed into a compact bag. Don't worry about occupying valuable space in your portable bag. The super easy and durable quick fastener loop of the pillow is tied to backpacks, luggage, or anything you might carry with you.