0 ounces Made in China.0 inches (L) Weight: 8.Heating Pad Wrap for Neck Shoulder Back Adbominal Hand Foot Legs Waist Live A Warm Life with MARNUR Heating Pad If the heating pad show F in the control panel It means that the steps you used are wrong you need to do as follows: Connect the control unite to the heating wrap Connect the control unite to the power supply If the connection does not follow the sequence above the heating wrap would not work with F on the screen Tips for Washing Before cleaning detach the controller first Machine/hand washable.