This aroma diffuser pad is made of cotton material, with excellent details of workmanship and practical functions. It can help you easily have in the aroma diffuser, effectively freshen the air, creating a good environment for you and alleviating you fatigue. Features - Color: Black -Material:Cotton - Size: 2.20X2.20X0.30cm/0.86X0.86X0.12in -Enough for your daily use and replacement, it is recommended to replace the aromatherapy pad according to your frequency of use. -You can put our aromatherapy pads in your humidifier or aromatherapy machine in your home, office, car. -This aromatherapy pad provides a long-lasting scent, just add of essential oils to the pad and enjoy the scent. -These scent refills help create a relaxing environment for you and make you have a happy mood. -Mainly using cotton material, safe and gentle, you can use it with peace of mind. Package list: Aroma Diffuser Pads