So fast to heat up, and rechargeable with Type-C, this heating pad is the best portable I’ve tried on the market with the adjustable buckle clip belt! The loop and battery has proven it’s durability as I’ve been using mine for over a year and it still works perfectly! This buddy provides portable comfort like no other heating pad I have tried. I have even worn it crossbody to heat my back and shoulders. It’s not large compared to most plug in heating pads and is a hard surface you may need to slip a sheet over to protect from the strength of the heat to the skin surface more than other heating pads but it relieves the pain so well.