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 and relieve body .More comfortable: Compared with acupuncture and moxibustion lumbar traction boards, PU self- material lumbar traction boards are more comfortable. For novices and people who are afraid of acupuncture, this is a more suitable !Human lumbar physiological : The lumbar physiological range is 26, and the C-shaped conforms to the human lumbar physiological ![Multifunctional ] In addition to the waist traction, it can be used as a sofa or cushion day! This product is equipped with a shoulder strap, which can be tied to and car seats.[Relieve back and posture improvement] Lumbar traction can effectively alleviate the problem of low back caused in , such as sedentary white- workers, long-distance driving, etc. sitting posture, 10-15 minutes a day after 3 months! Effectively relieve sciatica, slippery discs and protruding intervertebral discs.Colour: blueMaterial: PUPackage Contents:1 * Lumbar Traction Cushion1 * 110cm Fixed strapOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.