Back stretch & pain felief - The back stretcher is designed based on ergonomics and is specifically designed for back support, stretching, and pain relief. Upgraded & Innovative design - This back stretcher increases the contact area and massage contacts of the back, providing the most comfortable way for your back massage/spine decompression. Spine boards are equipped with foam strips to provide cushioning. It has Multi-leve adjustable curve settings that can be easily adjusted to achieve the desired stretching effect. Create to last - Our low back stretchers are made of high-strength green and environmentally friendly materials, which are skin friendly and sturdy. They will not break or collapse during long-term use, and will not make your skin uncomfortable or easily damaged like most other cheaper stretchers. Widely daily use - This spine board is and easy to carry, and does not require installation, making it easy for anyone to use anytime, anywhere. This is a perfect back cushion for work, driving, yoga, leisure, etc. It is also the best gift for family or friends with back pain problems. Please note that the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! note: Back massager with magnet Material: PP colour: Black+blue Package Contents: 1 x Back Stretcher Lumbar Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.