A convenient solution for back pain relief and prevention, suitable for all ages. Made of durable ABS plastic, it features an ergonomic design that follows the natural spine curve to target pain sources. With 4 adjustable height levels, it allows customized stretching to improve posture, relieve chronic pain, and restore spinal alignment. The textured surface provides massage-like stimulation to enhance blood circulation. Lightweight and portable for home, office, or travel use. **Details:** - Color: Blue & Black - Material: ABS plastic & sponge - Adjustable height: 6cm / 10cm / 12.5cm / 14cm - Massage function: Acupressure points - Assembly required **Usage:** Lie on the stretcher to let gravity gently stretch and relax muscles, decompress discs, and realign the spine. Start slowly to avoid soreness. Discontinue if discomfort occurs. **Includes:** 1 back stretcher. Ideal for those with sedentary lifestyles or prolonged sitting. Check sizing and instructions before use. Contact us with any questions.