24Sets Essential Oil Roller Inserts Kit Stainless Steel Roller Balls and Black Bottle Cap for 5~15ml Essential Oils Cosmetics

【24 Sets】: One pack contains 24 sets of essential oil bottle top roller sets, including 24pcs stainless steel roller balls and 24 black matching caps.

【Size Reference】: Black plastic cover about 0.81 inch/20.5mm in diameter, 1.10 inch/28mm long, 0.67 inch/17mm inner diameter, bracket about 0.81 inch/20.5mm long, 0.53 inch 13.5mm in diameter, 0.35 inch/9mm inner diameter.

【Easy to use】: Just take a roller and insert it into your bottle neck and push it flat into the bottle, screw cap onto the bottle and tighten. The installation is complete.

【Suitable for Small Essential Oil Bottles】: The essential oil roller can be snapped into your essential oil bottle, which is convenient and leak-proof, and can be easily disassembled and reused as needed.

【Recycle and Reuse】: Our roller top insert instantly turns your spray oil bottle into a personal roller. Great for thicker oils, diluted or rolling oils.