Material Type of Material 0 Non woven Breathable Composition (Material ) of Non wove Spun- bond Non Woven GSM of Cap Material (gm/ sq mtr) 34.2 Construction Well fitted with double elastic or string Yes Properly ultrasonically sealed for uniformity Yes Air permeable - Yes Bacterial Filtration - yes Colour Colour - NA Certificate Certification - NA Other Requirement Sterile - Yes Durable - Yes