I used it for the first time yesterday. I was in heaven. It preserved the proper temperature for like twenty minutes. It was the best thing considering that sliced bread. I like the neat wrap! Every thing over it is great. 【ADJUSTABLE AIR CUSHION Design and style】This back stretcher is https://physiotherapyexercises80099.actoblog.com/29515688/5-essential-elements-for-physiotherapy-exercises