Lumbar support board, adjustable to 4 levels, non-slip and massaging, for the back. - AquaForge

[Back Pain Relief] Just 10 to 15 minutes of daily use is enough to improve posture and effectively relieve back pain. This device is especially recommended for herniated discs, pain, postural correction, massage, sciatica, and scoliosis. [Durable and Comfortable] This posture corrector is made of ABS and NBR foam. The durable ABS material and NBR foam padding protect your spine and provide enhanced comfort. [Adjustable to 4 Levels] The upper and lower backrest plates are adjustable to four levels, making it suitable for beginners, intermediate, and advanced users. [Portable and Versatile] Thanks to its removable backrest plate and lightweight design, this corrector is easy to carry and use in the car, at the gym, on a yoga mat, at home, or on an office chair. [Preserve Your Spinal Health] Take care of your spine with this professional, comfortable, and beneficial posture corrector. It's also an ideal gift for your loved ones.