[Breathable And Washable Pillowcase]: Paucax neck pillows for pain relief sleeping is specially designed to fit both comfort and firmness at every level. Built with double pillowcases, the outer quilted cover adds some additional plushness and is easily removable for machine-washing. It's made of a breathable hypoallergenic cotton/polyester with a stretchy polyester liner to help the pillow hold its shape, and perfect for keeping you cool throughout the night. [Worry Free With 100% Satisfaction]: Finding a great ergonomic pillow that can help reduce your neck problems is an efficient way to improve your sleep each night. We can guarantee that you will not be disappointed considering the many outstanding features it has to offer. We provide a 100% satisfaction solution in the rare case you do not enjoy the product, if you need any assistance, please feel free to contact us.