1. uses the special two-sided adhesive tape to agglutinate and seal, does not need the specialized equipment to realize the fast effective seal.\n\n2. uses three side explosion-proofs craft to prevent bursts effectively.\n\n3. provides change-color instruction to make the antiseptic condition clear.\n\n4. through the transparent thin film may clearly look the goods inside, effectively prevent the mistake. \nadapts the antiseptic way: eto, steam.