Sterilization wrap is for ethylene oxide (EO) gas sterilization processes. 100% polypropylene (SMS) construction featuring spunbond polypropylene on the inner and outer layers and a meltblown polypropylene middle layer Protects against both aqueous and airborne contamination Consistently provides an excellent barrier maximizing shelf-life and performance Dual-layer, two-color design features opposing white and blue sides bonded together. Improves ease and efficiency required in tray assessments Grade 500 sterilization wrap is 3 x 3 feet. .