Features:
Excellent elasticity 
Self heating pad removable
4 metal plank for support and helps to correct posture.
The best possible solution for back pain using compression, heat retention and comfort to deliver lasting relief to the back.
Smooth the nerve system, Promote blood circulation,Obvious effects for keeping health
Safe and convenient to use
 
Size reference:
Please read the size measurement 

Colour: Black
 
Notes:
(1) The actural color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
(2) Please allow slight (±3cm) manual measurement deviation for the data.