**Feature** Enter your model number to make sure this fits. Young Living AromaGlide Roller Fitments - 12 pack (12 caps and 12 roller balls) Fitments are designed to only fit bottles with 'Sb' located at the bottom of the bottle. Please check before inserting Customized to fit both 5ml and 15ml bottles Avoid using with citrus and frankincense essential oils (singles or blends) Transform any of your favorite Young Living essential oils into an easy-to-use roll-on bottle with the patents pending AromaGlideTM advanced roller fitments technology. Each fitment is customized to fit a 5- or 15-ml bottle with an 'Sb' marking on the bottle.