BrandFAIRBIZPSNet Quantity1.00 countMaterialHDPEColourWhiteAbout this itemEmpty Ice Pack for Vaccine Carrier.Material : HDPESafe and Durable: These freezer packs are made with 100% BPA-FREE, non-toxic materials. Easy to clean and reusable, great replacement of traditional ice cubes.It helps in keeping perishable items cool and fresh for a long period while also preserving Vaccines and Biological samples.How to Use - Put the ice pack in the refrigerator for at least 3 hours before use, until completely frozen. (OR) if You Need Solid Blocks Simply place it in your freezer overnight and in the morning you will have solid ice blocks ready for use.