Feature:1. Sleep Position Training: Our cylinder allow you to sleep on a 45 degree oblique side and a 90 degree vertical side to correct the sleeping position and relieve shoulder and neck discomfort.2. Snoring Prevention: Our are designed to prevent you from rolling over and sleeping on your back at night, effectively helping to reduce or eliminate snoring.3. Memory Foam: Made with memory foam, this side sleep pillow offers superior rebound support, providing excellent support and protection for your spine.4. Adjustable Comfort: The sleeping trainer pillow provides adjustable straps that can be altered according to your chest size.5. Versatile Use: The pillow can also be separated from the strap and used as a standalone neck pillow or throw pillow for more practical household use.Specification:Item Type: Side Sleeping Backpack PillowMaterial: Memory foamPurpose: Provide rebound support for spinal protection, prevent rolling over and anti snoring, correct sleeping posture, relieve shoulder and neck discomfort, detachable back pillow can be used as neck pillow or hug pillow.Package List:1 x Side Sleeping Backpack Pillow 1 x Strap