... 60,etc.core size(mm*mm)13*19mmcolorwhite,or with printingthickness(mil)50-78printing effectexcellentpackageinner package is thin ... printing 2 -5yearsplace of production Guangzhou,Guangdong,ChinaCash register thermal paper is widely used in supermarkets ,malls,hospitals, offices ... logistics, factories, hotels, etc.It's made of thermal paper.As we are professional paper manufacturers in Guangdong, China ...