What can you receive: the package that you receive includes 2 pieces of oil lamp wick replacements, that the sufficient quantity provides you a wide choice to meet your burner wick replacement needs in daily life Proper length: each fragrance oil lamp wick replacement measures approx. 16 cm/ 6.3 inches, and the diameter is about 13 mm/ 0.5 inches, which is the regular size suitable for most catalytic aromatherapy lamps, and please check the size before purchase Reliable and long-lasting: the catalytic core is made of various mixing materials of clay and fabric thread, manufactured by a good process to become a porous core, reliable and safe to apply, can service you for a long time Air control catalytic: the oil lamp wick can be lit with fire, or you can just put in oil bottles, and it has a good absorption effect, that can be applied with aromatherapy bottles and essential oils, will bring fresh fragrance to your room Wide range of applications: these air control catalytic burner lamp wick replacements can be combined with any ordinary catalytic fragrance lamps, and you can put on the table, desk, living room, bedroom, kitchen, bathroom, office, or other places, to purify air and give you a good mood. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store