Vanis 28L Vacuum Insulated Portable Cooler, 10 Days Ice Retention Hard Cooler, Non-Electric Portable Ice Chest for Outdoor Camping Tailgating Boating Fishing

Vanis cooler adopts patented vacuum insulation technology, bidding farewell to polyurethane and EPS insulation layers. The cooling time is more than three times that of ordinary coolers, and the weight is lighter.

The phase-change ice pack independently developed by Vanis company, when used in conjunction with a cooler, has a longer cooling time, reduces the trouble of using ice, can be reused, and is green and low-carbon.

Rinse, drain, then wash with warm water and mild dish soap; scrub the gasket channel, latches, and drain. For stubborn odors, use a diluted bleach solution or a baking‑soda paste, rinse thoroughly, and air‑dry with the lid open. Avoid pressure washers, solvents, and abrasive pads that can scar the interior.

Many factors affect how long ice lasts in a cooler. These include the quality and amount of ice, as well as the outside temperature. This makes it a hard question to answer. In short, this means there’s a lot you can do to affect the longevity of your ice—either positively or negatively.
There are many factors that affect ice retention. There is no standard way to measure it in the industry. Claims about how long ice lasts, like 5, 10, or 14 days, often depend on the testing conditions. They may not reflect real-life situations.