Description: ❤Travel pack (10ml, 0.33 fluid ounces), detachable and corrosion-resistant glass bottle with leak-proof aluminum cover. ❤Helps liquids or oils absorb quickly and effectively, and has a certain massage effect. ❤Mini gem can be poured out and washed with cold water before use, or as a perfume bottle. ❤Create your own safe dilutions and favorite blends of essential oils, perfume oils and other liquids for easy application without wasting a drop of your favorite essential oil for massage, beauty and aromatherapy. ❤Instructions: 1. Allows you to pre-dilute your oil mixture, it can be applied directly to the skin without confusing dripping or spillage. 2. In order to extend the shelf life of the homemade essential oil mixture, the tumbling gem stone fragments prevent the separation of the manual DIY oily mixture. Specification: Material: Glass(Bottle) & Natural Stone(Roll Ball) Capacity: 10ML Size: Approx. Bottle: 8.5 x 1.5cm/3.34 x 0.59inch Roller Ball Size: 0.965-0.995cm/0.379-0.391inch(Plus/Minus 0.15mm/0.005inch error.) Package Includes: 4 Pieces 10ML Glass Roll-on Bottles Note: 1.The balls are materials, the color is deep and shallow, and there are small sand hole impurities or cracks on the surface, which cannot be avoided. 2.Color may vary slightly because of the difference of display screens. 3.Please allow 1-3mm(0.03-0.11inch)errors due to manual measurement. ❤Thanks for your understanding and attention, wish you a pleasant shopping experience!