Comprehensive Accessories - Pack of 10 transparent glass roller bottles, together with all necessary tools. Droppers, opener, and labels help you transfer and mark different essential oils. Remarkable Product Quality - The essential oil glass bottle is made of corrosion-resistant glass which makes it thick, smooth and anti-shock. These empty roll on bottles are clear, making all your products easy to see and identify what is inside. Distinctive Durable Lids - Each thick plated plastic black lid is firmly fit the screw thread bottle mouth, which can effectively prevent any liquid leakage. Stainless Steel Roll Balls - The roll balls are made of stainless steel, which is corrosion resistant and well-made. The tightness prevents any sort of leakage. With our complimentary opener, the bottle can easily be disassembled and filled. Good Purchase - Package includes 10pcs 5ml empty dropper bottles, 12pcs labels and 1pc dropper. Scroll down for more info.