Advanced PU material: Soft PU self-adhesive lumbar support cushion, odorless; size: 12.1 x 9 x 3.1 inches, with a support height of approximately 3 inches (about 7.6 cm) as a gift: Treat yourself and relieve your body. More comfortable: Compared to acupuncture and moxibustion lumbar support cushions, PU self-adhesive cushions are more convenient. Ideal for beginners and those who dislike acupuncture! Human lumbar physiology: The lumbar support range is 26 inches, and the C-shape design aligns with human lumbar physiology! [Multifunctional] In addition to its back support function, it can be used as a sofa or cushion during the day! This product is equipped with an adjustable belt that can be securely fastened to car seats. [Relieves back pain & improves posture] Lumbar support cushion effectively relieves back pain caused by prolonged sitting or long-distance driving. Improves posture with daily use of 10-15 minutes after 3 months! Efficiently relieves sciatica, herniated discs, and protruding discs. Color: Blue Material: PU Package contents: 1 x Lumbar Support Cushion 1 x 110cm adjustable belt Only the above items are included in the package; other products are not included. Note: Lighting and different screens may cause slight color differences between the product in the image and the actual item. The allowable measurement error is ±1-3 cm.