Reduce & soothe lower back pain with our portable infrared back wrap. Combining lumbar supporting fabrics, infrared heat & a portable battery, this is your lowers backs new best friend. Target lower back pain with lumbar support & soothing infrared heat. Completely portable design with rechargeable battery/digital display. Reduce inflammation, chronic pain & muscle fatigue on the go. Material & specs Type of Infrared: FAR infrared. Size of Wrap: 110cmx19cm. Temperature: Up to 158℉/70℃. Materials: PU leather exterior, waterproof inside & non-toxic fabrics. What’s included 1x back wrap, 1x net carry bag, 1x universal charger. FAQs Can I wear it over clothes? Yes. We encourage you wear clothes when using the back wrap.How long does the battery last? Up to 3 hours on the full heat setting.Is there a trial period?Yes, all purchases of the back wrap can be returned within 30 days.