Many of the insulated grocery bags on our list fell within the 20- to 30-liter range, though there are certainly bags that are both higher and lower on that spectrum. Food & Wine.

Most of the insulated grocery bags that made our list hover around a 30-liter capacity, though plenty of them are available in multiple sizes to help cater to your exact needs.

To ensure that insulated grocery bags are used and stored properly, keep different food groups apart by labeling and designating specific bags for items like produce, meat, and seafood.