Why Choose ULG Essential Oil Roller Bottles? Healthy and Safe Storage Our refillable essential oil bottles are BPA FREE and LEAD FREE, which can be stored safely and efficiently, reducing the plastic chemicals in your home. UV Protection These roll on bottles are made of thick amber glass which protects essential oil against harmful UV rays and quick volatilization. No Leaking 10 ml roller bottles for essential oils, the stainless steel roller ball with good sealing property to prevent any leakage. 10 Extra Metal Roller Balls for replacement 48 Label Stickers for marking 4 Bottle Openers for removing 4 Droppers for dispensing liquids Why need a roller bottle? Beause you can DIY your own essential oil perfume recipe which is 100% handmade. This beautiful amber glass roller bottle is a handy tool for applying essential oils, blends and massage oils to your skin - just roll them as needed! This roller bottle set is just what you need. The perfect 10ml size can be put in your purse without leaking, which is very suitable for travel. Package Includes: 48 Amber Glass Bottles with black caps and roll-on inserts10 Extra Roller Balls4 Droppers4 Openers48 Labels Volume: ⅓ oz., or 10 ml. Neck: 16 mm Instructions: Transfer oil from another vial or mix a blend of your own in this bottle. You can do this easily using a dropper(included). The opening of this vial is large enough so that you can even carefully drip oil into it from your essential oil bottles. After Filling the bottle with oil, insert the roller ball in the opening. Press the insert down firmly until securely connected (try not to push directly on the roller ball itself ). Be careful, and hold tightly to the bottle during this process.Once the oil is in the vial and the roller ball is inserted, you may want to attach a label(included). (Be sure to wipe off any oil from the outside of the bottle before labeling.) NOTICE ABOUT THE OIL: Original essential oils need to be diluted before use. The dilution should be within an appropriate ratio. If the oil is too thick, the roller balls may become clogged and thus not work well; while if the oil is too thin, it would leak slightly from the bottles. Blue Glass Roller Bottles Amber Roll on Bottles 10ml Cobalt Blue Roller Ball Bottles Amber Mist Spray Bottles Cobalt Blue Spray Bottles Amber Glass Spray Bottles Add to Cart Add to Cart Add to Cart Add to Cart Buying Options Buying Options Customer Reviews 4.7 out of 5 stars 4,624 4.7 out of 5 stars 4,624 4.7 out of 5 stars 4,624 4.7 out of 5 stars 1,208 4.5 out of 5 stars 175 — Price $29.99$29.99 $9.99$9.99 $8.99$8.99 $16.99$16.99 — no data — no data Capacity 10ml 10ml 10ml 4oz 8oz 16oz Color Cobalt Blue Amber Cobalt Blue Amber Cobalt Blue Amber Quantity 48 Pieces 8 Pieces 8 Pieces 8 Pieces 6 Pieces 16 Pieces Material Glass+PP Plastic Glass+PP Plastic Glass+PP Plastic Glass+PP Plastic Glass+PP Plastic Glass+PP Plastic UV Protection ✓ ✓ ✓ ✓ ✓ ✓