Eco-Friendly Wooden Wicks with Metal Sustainers. All wicks come in packs of 10. Great quality natural wooden wick. Various sizes to choose from, see the guide below to choose your perfect wooden wick. Less smoke when burning a wooden wick compared to a cotton core wick. Easy to use, just push the wooden wick into the metal sustainer and glue to the bottom of your container. Wicks can be reduced in size or cut in half to fit your container size perfectly. The metal sustainer keeps the wick straight when making candles. Lovely, bright light from flame. *As with all wicks, it would be advisable to test in small batches to ensure the wick you are using is suitable for the diameter of the container.