Add 1 Tablespoon of extra virgin olive oil to each mason jar.
Add 2 Tablespoons of apple cider vinegar to each jar.
Then, squeeze 1/4 lemon and add a pinch of sea salt and pepper to taste into each jar.
Next, add in the remaining ingredients equally as follows from bottom to the top of each jar: chickpeas, diced onion, olives, cherry tomatoes, chopped cucumber, crumbled feta cheese and packed arugula right at the top.
Add lids to the jars, twist to seal, and refrigerate for up to 5 days.
When ready to serve, just pour out the jar contents into a large bowl, gently toss to combine and enjoy!