[header] How to make natural outdoor fly repellent with essential oils [title] Gather supplies. [step] This outdoor fly repellant can be placed in the center of your patio table to repel flies throughout the day and evening. It's a simple mix of essential oils and a carrier oil that will help diffuse the scent into the air, naturally keeping flies away. 
Here's what you'll need : [substeps] A small tin with a lid. A small coffee can, mint tin or cough drop tin would work.