Made of premium cotton, the candle wicks contain no lead, zinc or other metals and can be easily straightened out without breaking. Wicks are pre-waxed and tabbed perfectly without bad smell for candle making and DIY candle projects. They can work with all kinds of wax. Designed to be used with soy, gel or paraffin wax. Feature - Color: White. - Material: Cotton. - Length: About 15cm/5.9inch. - Made of premium cotton, the candle wicks contain no lead, zinc or other metals and can be easily straightened out without breaking. - Low smoke and no bad smell. Wicks are pre-waxed and tabbed perfectly for candle making and DIY candle projects. - Multi-functional. Works with all kinds of wax. Designed to be used with soy, gel or paraffin wax. - Easy to use. Simply use hot glue, wax or sticker to fix the tab at the bottom before filling the wax into the mold. - NOTE: Please be cautious with dosages of dye and scent whilst making your candles. Excessive dosages might have an influence on the burning effectiveness, causing smoke and reducing the ability of your candles to stay Package list: Candle Wicks Low Smoke Cotton Core with Tabs for Candle Making Candle DIY Craft Project (15CM)