describe:1.Improved Back Stretcher- Our better back relief formula has 10 magnetic points and 96 auxiliary massage points, which can bring acupuncture effect by deep pressure on certain points. The spine deck is ergonomically designed to safely support your back and promote circulation. A spinal aligner can better relax your back, relieve muscle soreness and restore the natural alignment of your spine2.Lumbar Spine with Silicone Pillow- The silicone pillow of the lower back stretcher compresses and protects the spine. The improved silicone pillow reduces pressure and voltage on the spine when stretching and massaging the lower back. The back stretcher's massage points also gently massage the spine, ensuring maximum massage and relaxation.3.Strong and Durable Lumbar Stretcher- Unlike other pain-prone back stretches that are prone to breakage, our improved back stretcher can relieve lower back pain. Made of environmentally friendly ABS plastic, durable. Our lower back relief treatment can safely hold up to 100kg, is lightweight and easy to carry and store. Perfect for office chairs, gym or yoga mats.4.Three-Level Adjustable Back Stretcher- The patented back has 3 adjustable settings to suit any age or skill. You can position this lumbar relief back stretcher at the most comfortable level for easy stretching and pain relief. The higher the waist release, the higher the stretch.5.Enjoy Lifetime After-Sales Service-We offer our spine deck with the best lifetime after-sales service and service satisfaction. If you are not satisfied with our products or just don't like them, or you have any questions or suggestions about our products, please feel free to contact us and we will provide you with a satisfactory solution within 24 hours.Specification:Size: 37*25.5*16cmWeight: 0.42gPackage includes:Package includes:1*Back MassagerNotice:1. Due to manual measurement, there may be 1-3cm.Slight tolerance of 2. Due to differences between different monitors, pictures may not reflect the actual color of the item.