GLASS ROLLER BALL INSERTS fit 99% of doTERRA Essential Oil Bottle Sizes 5ML and 15ML. (if you run across a bottle that my rollers do not fit, PLEASE send me a message so that I can list them on my ad for future customers. TY)
Rollers are reusable and can be easily disassembled by poping the black collar off and cleaning with alcohol before changing oils or other liquids.
Great for turning all your empty EO bottles into roller bottles by using these roller inserts. Give DIY rollers to your family and friends.
BOTTLES IN THE PICTURES ARE NOT INCLUDED WITH YOUR PURCHASE.