... . Materials:wool,cotton fabric,vaccum catton,exothermic padding,embroider,usb cable. thick plush+heat tablet+nature rubberColour:any colour ... promotion ideaSpecial heating material,warm your hand,when operating yourcomputer,USB charging,mouse pad warmer1.Warm your hands when the day ... ,good product for winter using2.when connected computer with USB hub,the heatingmaterial will heat up to a grade ...