1、Hollow Design: The arm pillow has a humanized design, which adopts a hollow design to ensure that the nap does not press your hands 2、Protecting Cervical Spine: The slow rebound pressure pillow can make you sleep on your back comfortably, protecting the cervical spine, and prevent cervical spine ache 3、Reducing Waist Pressure: The cuddle pillow can reduce waist pressure for office workers and prevent low back ache caused by long term sitting 4、Durable Material: The sleeping pillow has memory foam inner ABS plastic steel frame support, which provides soft support for the head 5、Breathable and Comfortable: The pillow with arm hole is made of eco friendly fabric, which is breathable and comfortable, and the mesh lining provides double protection