[Material]:This cervical neck pillow is made of memory foam,which is breathable,lightweight and comfortable to the touch.Ensuring comfortable [Comfortable Breathable]:With its ,this napping sleeping pillow elevates your shoulders and neck for a comfortable sleep experience.Its hollow design allows for smooth breathing without feeling stuffy [Removable Pillowcase]:The pillowcase adopts zipper design,can be easily removed for replacement,that makes it easy to clean and maintain cleanliness,making it suitable for use in all seasons [Versatile Usage]:The neck support pillow suitable for various sleeping such as prone,supine,or side sleeping.It's an essential companion in offices,libraries,travels and more [Sleep Companion]:This memory foam sleep pillow is an sleep tool,suitable for use in the office or at home during siesta time.The specially designed prone sleeping pillow shape can effectively support the neck and head,reduce Neck discomfort