This Dry Ice Packaging may be used for shipping infectious materials that must be kept cold during transport. The infectious substance shipper holds up to five vials of infectious materials with a total gross weight of 94g. With the addition of 5kg of pellet dry ice (not included), the 4GU shipper will keep your payload temperature at -60°F for 44 hours. Our fully assembled Dry Ice Packaging is UN tested in accordance with ICAO for air shipment of infectious materials packed with dry ice. Hydrostatically pressure tested to 95 kPa, the Dry Ice Packaging includes a wide mouth jar and universal absorbent to hold vials, foam cushioning, UN marked 11" x 9" x 13¾" (I.D.) fiberboard box and hazard class shipping labels.