| Although Igloo has been making metal water coolers | | | | is made of polyurethane foam. |
| since 1947 their first ice chest was not made | | | | As for the soft sided Igloo ice chests these are |
| available until 1960. The original Igloo Ice Chest at this | | | | made from either Polyvinyl Chloride (PVC), nylon or |
| time was made with a plastic interior and metal | | | | polyester and which is the reason for them being so |
| exterior. Then in 1962 the company then produced | | | | light to carry. As for the inside of these units they |
| and sold its first all plastic version. | | | | are made from PVC. Whereas polyurethane foam is |
| Today although most homes owning the hard sided | | | | used in the hard sided models with the soft sided |
| Igloo ice chests quite a few homes also choose to | | | | ones they use a special insulation made from |
| have the soft sided versions as well. These second | | | | Polyethylene foam and is known as Polatherm. |
| models are great to use when spending the day at | | | | As mentioned above if you want an Igloo ice chest |
| the beach. Each of the various models are made | | | | to take to the beach or when going hiking for the |
| using different materials. | | | | day the soft sided versions are your best option. |
| When it comes to the hard sided models these are | | | | However, if you are intending to go camping for the |
| constructed from a material known as Ultratherm and | | | | weekend then the stronger although heavier hard |
| which is a high density polyethylene material. As for | | | | sided versions of the Igloo Ice chest would be your |
| the interior sides of these models they are | | | | best option. |
| constructed from polypropylene whilst the insulation | | | | |