Amazon.com: BOX USA BPF200 Foam Corners, 3 3/4" x 3 3/4" x 3 3/4", White (Pack of 400) : Industrial & Scientific
Labeling, coding and marking Expanded polystyrene (EPS) boxes and trays
Insulated Sytrofoam Boxes Landing Page - Skips Marine - New Bedford, MA
Amazon.com: ThermoSafe 398 EPS Foam Multi Purpose Insulated Shipper Container with Corrugated Carton, 1.5" Wall Thickness, 22.375" L x 15.375" W x 15.375" H (Case of 2) : Industrial & Scientific
EPS (Expanded Polystyrene) Insulated Shippers for Refrigerated and Frozen Specimen Shipment, Therapak® | VWR