Description Colors: Gray, Gray Blue, Gray Purple, Black Purple, Black Blue Features 1. Adjustable angle supports the natural spinal curvature, effectively relieving lower back discomfort while promoting a healthier posture during daily activities or rest. 2. Designed with flexible silicone contact nodes, it gently separates the vertebrae, helping to relieve tension, improve spinal alignment, and evenly distribute lumbar pressure. 3. Compact, foldable structure for easy storage and portability, perfect for use at home, in the office, or while traveling, offering excellent support and functionality. 4. Constructed with a reinforced steel core and layered cushioning system, it maintains structural integrity even with constant use, providing stable, long-lasting comfort for all body types. 5. Versatile, ergonomic design with a wedge-shaped that can be used on the floor, mat, or sofa, making it ideal for yoga stretches, reading, or stress relief after long periods of sitting. [Spinal Stretcher - Back Support Board - Yoga Accessory Stretching Massager for Friends, Teens, Families, Women, and Girls, for Relaxing Back Muscles] Comments: 1. Manual measurement tolerance is 2-5g. Please don't mind any substitutions. 2. Due to differences between monitors, the image may not reflect the actual color of the item. Thank you very much! 3. The SKU color refers to the color of the product packaging. Package Includes: 1 * Lumbar Relaxer