ADJUSTABLE: Lumbar board with 4 levels of adjustment for personalized support tailored to your needs Ergonomic design: non-slip surface for maximum stability during use, ensuring comfort and safety Versatile: Ideal for the office, fitness exercises, yoga and daily back tension relief BUILT-IN MASSAGE: Textured surface provides a soothing massage effect for the lumbar region PORTABLE: Compact and lightweight design allows easy transport between office and home Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 313 hours Hope you have a pleasant shopping experience!