Our olive oil is packaged in custom dark green glass that protects against UV light. Additionally, we've worked with our shipping partners to ensure the packages are never exposed to extremely high temperatures for a long period. If you do receive a shipment that does not meet your expectations please contact us at CustomerService@McEvoyRanch.com to obtain instructions prior to sending items back. You have 30 days to contact us after receiving your product(s) to complete the return, exchange and/or refund.