Feature:1. Hollow Design: The arm pillow has a humanized design, which adopts a hollow design to ensure that the nap does not press your hands2. Protecting Cervical Spine: The slow rebound pressure pillow can make you sleep on your back comfortably, protecting the cervical spine, and prevent cervical spine ache3. Reducing Waist Pressure: The cuddle pillow can reduce waist pressure for office workers and prevent low back ache caused by long term sitting4. Durable Material: The sleeping pillow has memory foam inner ABS plastic steel frame support, which provides soft support for the head5. 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 protectionSpecification:Item Type: Arm PillowMaterial: Memory Foam, ABSProduct Size: Approx. 28.5 x 36.7cm or 11.2 x 14.4in.Package List:1 x Arm Pillow1 x User Manual