Features: Engineered with catalytic combustion technology, these replacement wicks ensure complete fuels burning for safe aromatherapies experiences while minimizing emissions in oil lamps. Make from cotton fiber with dense braiding, the burn wicks feature universal 18mm diameter suit for most catalytic fragrances lamps. Ideal for wellness enthusiasts, spas professionals, and home users seeking reliable scent diffusions in yoga studios, bedrooms, or commercial space. Perfectly disperses essential oils in living rooms during meditation session, enhances ambiances in boutiques hotels, or maintains atmosphere in massage therapy rooms. The matte finished catalytic burners wicks combine flame stability with easy installation, delivering best oil absorption for continuous fragrances release without residues buildup. Specifications: Material: Cotton fiber Color: Gold/Silver Size:Approx.14cm/5.51inch Package Includes: 2pcs Catalytic Burners note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.