Available size;37mmx50mm, 37mmx70mm, 44mmx50mm, 44x70mm, 44x76mm, 57mmx50mm, 57mmx57mm, 76mmx70mm, 76mmx76mm, 80mmx70mm, 80mmx80mm,etc. Any other specifications could been requested by clients. Core pipe: cardboard core or plastic core. The core with the inner diameter size from 8mm to 25.4mm,the thickness for core wall is from 1mm to 6mm.Our standard core size is from 8mm*12mm,13mm*18mm,15mm*22mm,15mm*23mm,15mm*24mm,25.4mm*34mm.We also can provide colorful core if customer has special need. Printing: Our thermal roll can be printed with logos and pictures according to customer's need