I purchased this in the spring of this year, but I haven't used it much, so I'm putting it up for sale. Product Description For a Stress-Free Everyday Life: This neck relax pillow is effective for symptoms caused by straight neck and stiff neck. It alleviates daily discomfort such as neck and shoulder pain, headaches, fatigue, poor posture, and decreased concentration. Measures Against Neck Stiffness: Also effective for neck stiffness, shoulder pain, numbness in the hands and feet, eye fatigue, and poor sleep quality. Regain a relaxed state with daily use. Features: Easy to Use: Simply lie down on the floor and it gently supports your neck and shoulders. Time Flexibility: Can be used for as little as 5 minutes a day. Enjoy a relaxing time even in your busy daily life. Six Protrusions: Effective stretching cares for the neck, spine, and shoulder blade area. V-shaped Support: Provides stable support with a design based on the arch of the neck. Multi-functional: Can be used anytime, anywhere, such as after desk work or after a bath. Specifications: Size: Approximately 17cm wide x 15cm long x 12.5cm high Material: EVA resin - Lightweight, durable, and environmentally friendly material. Notes: This product is not a medical device. It does not guarantee the treatment of stiff shoulders or straight neck. The feeling of use may vary depending on the shape of the neck and the usage environment. Please check the condition in the photos.