Features： 1、The cap secures the bottle can be closed tightly, and is inserted into the bottle with a pre installed rubber. 2、Prevent leaks and preserve the oil or other liquids in the container. Prevent air from entering and retain the beneficial compounds in the oil. 3、It can be used to make your own mascara, and the mascara brush bottle can be used for eyelash and eyebrow serum. 4、Lightweight, high end and durable. Easy to store in beauty bags, bags and pockets, convenient for travel, activities and other situations. 5、Helps you to easily transfer the mascara into the tube, the rubber stopper helps to prevent leakage. Specification： Item Type: Eyelash Growth Liquid Empty Tube Material: ABS Product Efficacy: Distributed Mascara and Eyebrow Dye, etc. Package List： 5 x Mascara Tube 5 x Rubber Stopper