Value Sets - Pack of 8, 10ml amber glass essential oils roller bottles set includes 12 pieces labels, 1 dropper and 1 opener. 12 pieces labels can help you mark different essential oils and the dropper can help you to transfer liquids and reduce waste. Great Quality - The essential oil roller bottles are made of corrosion-resistant glass which makes it thick, smooth and anti-shock with leak proof design metal roller balls and black caps.Our roller on bottles with smooth rolling glass ball for easy even oil application and preventing oil falling out. The bottle opener, let you refill the bottle more easily. But please be noted that the "bottle opener" is used for remove the plastic neck on bottle, NOT roller ball. Safety - The classic amber essential oil bottle protects essential oil against harmful UV rays to save it from quick volatilization. Convenient - The amber glass roll on bottle are suitable for essential oils, aromatherapy, fragrance and other liquids. The mini portable allows them to fit comfortably in your pocket, purse, handbag, backpack, or luggage. It’s convenient to carry. Good Purchase - Our essential oils roller bottles give you a more comfortable feeling and high-grade appearance, ideal for home and travel use. Perfect gifts for your friends or family members.