RoyAroma 2PCS 30mm Car Aromatherapy Essential Oil Diffuser Stainless Steel Black Locket with Vent Clip 12 Felt Pads

Product Details Locket Material: 316L stainless steel Locket Size:30mm in diameter(1.18 in) Locket weight: 0.7 oz for each Felt pad size: 22mm in diameter Packing includes: 2 lockets+12 different color felt pads Usage: Apply a few drops of your favorate essential oil to one 22mm felt pad, put it inside the locket. How long will the smell last, it depends on how many essential oil drops you put on the felt pad and what type of oils you use. The felt pad is washable. Rinse with ordinary detergent and dry naturally.We recommend that each pad uses the same kind of essential oil. You can replace a new pad when you don't want to use a used one. Please make sure you choose 22MM felt pads for this car diffuser when you need replacements.