... plastic core 3. High brightness, good in toughness, deep thermal image; 4. Neat end surface, good in tightness, convenient and ... practical; 5.Various specifications of thermal rolls available, able to be Customized at customers requests 6 ... Inner materialPaper or plasticMaterial:Pure wood pulp ,Best quality thermal paperSample:FreeColor:White,yellow,bule,red and so onLogo: ...