Thermal Welding rolls made of heavy weight 60 GSM white medical paper coupled with a light blue polyester / polypropelene layer. Three sided welding with impermeable & uniform canals for the highest microbe protection. The changing chemical colour indicators verify the sterilization process by steam or ETO gas (ethylene oxide). Appropriate peeling without the release of paper fibres or laceration of the film at the moment of opening the packaging. Roll of 200 Mts.