Essential Oil Pads compatible with doTERRA, Young Living, Eden's Garden and all other essential oils, perfumes or colognes. Fits all Car diffuser brands (Aura Cacia, Earth Solutions,etc). Use two pads on Plug in Electric ball style room diffuser and ball style car diffuser 100% natural cellulose fiber pads for use with mEssentials 100% Pure Premium Essential oil, fragrance or perfume in the car ball style aromatherapy diffuser Pads should be replaced when they loose their absorbency Our refill pads are 1.5 inches long and 3/4 of an inch wide. Made with 100% natural cellulose fiber pads and compatible with all ball style electric and car diffuser products. Also great as a standalone aromatherapy scent pad. Simply load with a few drops of your favorite essential oil or fragrance and put anywhere you need a scent boost! Compatible with Young Living, doTERRA, Eden's Garden and all other essential oils, fragrance oils, perfume or cologne.