In the kitchen, 2.5 oz glass jars are incredibly versatile. They are perfect for storing spices, herbs, or even homemade condiments. The airtight seal that comes with the lid ensures freshness, preventing moisture from ruining your culinary creations. They can also be used for portion control, allowing you to pre-measure ingredients for busy weeks ahead. With meal prepping becoming increasingly popular, these jars are ideal for organizing salad dressings, dips, and even small snacks. Their compact size makes them easy to store, whether in the pantry, fridge, or even a lunchbox.