"Pantry shelves" refers to the shelves or storage areas in a pantry, which is a small room or cupboard used to store food and supplies in a kitchen. Full definition
If stored properly in airtight containers, intact grains will keep for up to 6 months on a cool, dry pantry shelf or up to a year in the freezer. (wholegrainscouncil.org)
Like deep pantry shelves, deep fridge shelves are places for food to go to get lost. (mindbodygreen.com)
On our upper pantry shelves we used chalkboard labels to identify the contents, because we can't see what it is in them from down below. (theinspiredroom.net)