The following shows the steps of the cooler  box refrigerated food and beverage by way of pictures (use method) reference to understand.

Step 1: clean up the inside of the cooler box, the bottom of the storage layer of frozen drinks or ice;

Step 2: Store cold drinks or food (fish and meat) on the bottom layer of frozen goods or ice;

Step 3: add an additional layer of ice on top of the cold drinks and meat storage layer;

Step 4: a fruit or vegetable basket may be stored on top of step 3;

Step 5: additional food or beverages requiring refrigeration may be stored on top of step 4;

The End! Thanks for browsing and feel free to leave suggestions!

Pictures from the Internet if any infringement to inform the deletion