Ocean Pop Medium Storage Jar - Set of 6 The Ocean Pop Medium 7.50 L Storage Jar Set keeps your food and snacks fresh and odor free for many days. Available in set of 6 jars, each jar has checkered design and is made of high quality glass. Each have a capacity of 7.50 liters, and are transparent and come with glass lids for air tightness. The jars are dishwasher-safe.