Ink material :Wax/Resin Color: Black Base: Polyester film Heat resistance coating: Silicon base Core size: 1 inch, 1/2 inch Use environment: 5Degc~35Degc,45%~85%RH Storage environment: -5Degc~40Degc ,20%~85%RH, less than 2 years Feature:1.Print clearly, scan smoothly 2.Do not hurt the print head, not crinkle 3.Save for a long time 4.High performance price ratio