Refill kits are very easy to use and allow you to extend the use of your beautiful dough bowl. We are now offering Refill Kits in a 16oz size that will fill your 3 wick small dough bowl. For larger bowls, you will need to purchase 2 kits. The refills are packaged in a microwavable pouch that make them easy to store and pour, and are eco-friendly.