What you receive: This package includes 6 catalytic wick replacements in 2 colors (silver and gold), with 3 pieces of each color. The sufficient quantity meets your replacement needs for air-controlled catalytic burner wicks. Harmless and strong: These oil lamp wicks are made from a mixture of various clay materials, forming a precise ceramic structure. The outer ring is made of metal, which reinforces the wick and helps maintain its shape. Good oil absorption: The well-woven oil lamp wick offers strong oil absorption and can be used with aromatherapy bottles and essential oils for efficient and fine diffusion. Please note that the package does not include aromatherapy bottles or essential oils. Size information: The ceramic diameter is 0.71 inches (18 mm), suitable for most catalytic burners. When purchasing, please ensure the mouth diameter of your aromatherapy bottle matches the catalytic burner diameter. Practical usage: After the essential oil is absorbed by the wick's core, it diffuses through surface adhesion within the wicks pores. This air-controlled catalytic burner wick is widely used as an aromatherapy accessory to help disperse fragrance and purify the air, enhancing the ambiance of your space. Color: Gold, Silver, Creamy white Material: Cotton thread, metal, clay Package Contents: 6 x Replacement Oil Lamp Wick Only the above package content is included; other items are not included. Note: Lighting and display differences may cause slight variations between the item color in the image and the actual product. Measurement allows an error of +/- 13 cm.