Our essential oil wood slice organizers are something every essential oil lover needs to own. Store your favorite and most frequent oils used in this table/desk organizer. Our wood slice organizers come in three different sizes, all which hold a varied amount of essential oils as listed below... Small: 5.5-6in approx. (5-10 oils) Medium: 7.5-8in approx.(12-19oils) Large: 9-10in approx. (21-24oils) All wood slice organizers can hold both 5mL and 15mL standard oils such as young living and doTerra brands. It should be noted that actual diameter size of the slice my vary. If you are restricted on sizing and need a specific size please make note of it in the notes section. This wood slice organizer is by far one of our favorite items in our Wood & Oils shop and we are so excited to make this available to all essential oil lovers!