Feature: 1. Sleep Position Training: Our cylinder pillows allow you to sleep on a 45-degree oblique side and a 90-degree vertical side to help correct sleeping position and relieve shoulder and neck discomfort. 2. Snoring Prevention: The pillow is designed to discourage rolling onto your back during sleep, helping to reduce or eliminate snoring. 3. Memory Foam: Made with memory foam, this side sleep pillow offers supportive rebound properties, providing support for spinal alignment. 4. Adjustable Comfort: The sleeping trainer pillow includes adjustable straps that can be customized according to body size. 5. Versatile Use: The pillow can be separated from the strap and used as a standalone neck pillow or throw pillow for added household utility. Specification: Item Type: Side Sleeping Backpack Pillow Material: Memory Foam Purpose: Provide support for spinal alignment, help prevent rolling over during sleep, reduce snoring, correct sleeping posture, relieve shoulder and neck discomfort; detachable back pillow can be used as a neck pillow or hug pillow. Package List: 1 x Side Sleeping Backpack Pillow 1 x Strap