thermal fax paper;216mmX30yardX12mm.Good in printing effect. Fax paper rollsMaterial: high quality thermal paper,Smooth on both sidesSpecial curl control210mmx20m,210mmx30m216mmx20m,216mmx30m256mmx50m,256mmx100mAny other lengthes are availableHigh sensitivity,resist fading and enhanced image qualityOEM packing