CINTUKAWARM Tucano Urbano heated elastic lumbar belt ideal as an ergonomic support for the back. Powered by USB Power Bank (not included) with minimum capacity of 5000mAh (5V/2A) – Exterior in extremely tough Oxford polyamide – Inside in Aero 3D mesh to spread the heat uniformly – Ergonomic back support – Removable rigid inserts on the back based on the support desired – Elastic adjustment on the sides based on the containment desired – Elastic closing with Velcro adjustment – On/Off ignition button – Pocket for Power Bank – Heating duration based on battery power (about 2 h with 5000mAh). Material 65% Polyester – 22% Polyamide – 7% Polypropylene – 6% Elastan