Advanced PU material: soft PU self-plastic leather, tasteless; size: 12.1 x 9 x 3.1 inches, the support height is about 3 inches (about 7.6 cm) as a gift: treat yourself well and relieve body pain. More comfortable: Compared with traditional acupuncture and moxibustion lumbar traction boards, PU self-skin material lumbar traction boards are more comfortable. For novices and sensitive people who are afraid of acupuncture, this is a more suitable choice! Human lumbar spine physiological curve design: The lumbar spine physiological range is 26°, and the C-shaped design conforms to the human lumbar spine physiological curve! [Multifunctional design] In addition to the waist traction, it can be used as a sofa or cushion every day! This product is equipped with a shoulder strap, which can be well tied to the office and car seats. [Relieve back pain and posture improvement] Lumbar traction can effectively alleviate the problem of low back pain caused in , such as sedentary white-collar workers, long-distance driving, etc. Correct sitting posture, 10-15 minutes a day after 3 months! Effectively relieve sciatica, slippery discs and protruding intervertebral discs. Colour: blue Material: PU Package Contents: 3 * Lumbar Traction Cushion 3 * 110cm Fixed strap 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.