2-ply carbonless paper rolls Color: white, blue, pink, yellow, green ... size is available: 76mmx70mm, 70mmx70mm, 57mmx70mm, 57mmx50mm, 44mmx70mm, 37mmx70mm, etc. 2) Any core is ok: Cardboard core, plastic core.3) High ... thermal rolls available, able to be Customized by customers requests. 2-ply w/y carbonless paper rolls