Medical grade paper with technic 60gsm or 70gsm is an effective barrier against germs and bacteria, yet it permits the transmission of air, steam or sterilization gas; Reinforced film to avoid tear during opening; Peel-easy film permits film separate from paper with no shatters; Clean and accurate indicator color change; Tear, fibre-free opening and aseptic presentation; Triple band seal for higher package integrity which effectively avoiding crack.