Mini Mailer Model 443 Economy Pack 3 X 4-3/8 X 5-7/8 Inch For safe storage & delivery of refrigerated or frozen materials [pharmaceuticals, laboratory specimens, serums, vaccines, human organs, culture packs, and nuclear and isotope materials]

Compact protection for temperature-sensitive shipments… ideal for serums, tissues, and reagents

Accommodate tubes, vials, ampules, small bottles, and tissue flasks with space for refrigerants

Insulating, thick-wall polystyrene foam construction

Maximum breakage protection for non-hazardous laboratory specimens… ideal for biological, environmental, research and development, public health, industrial hygiene, and veterinary use

Lightweight polystyrene foam construction saves postage

Reusable and recyclable

Standard mailing sleeves available