Size: 20pk small,20pk middle&10pk large; Class I medical device; Length:11”;Thickness:6mil 100pc one size 

• Sterile (gamma-irradiated) polyethylene bags
• 65µm thick for high-impact strength (9.2MPa tensile, 27.1MPa ultimate) even at low temperatures
• Permeability (g/m2/24 hr.): 1.2 water vapor, 12,000 oxygen, 2000 carbon dioxide
• Closure bags feature wire closure strip across bag top and rounded corners
• Strainer bags have inner plastic mesh to protect from punctures
• Single-chamber bags for use in Lab Blenders
• Bag's internal sterility assured with patented tear-off sterile barrier top
• Highly transparent and puncture-resistant virgin polyethylene extruded tube material
• No side seams, one wide bottom seal
• Simply tear the perforated end along the top, open, and insert the material to be analyzed and processed