Essential oil roller bottles with leak proof design metal roller balls and black caps, essential oil roll on bottle which will protects essential oil against harmful UV rays to save it from quick volatilization Roller bottles are the most convenient and economical way to dispense essential oil blends. A refillable roller bottle will allow you to pre-dilute your oil blends so that they can be applied directly to the skin without messy drips or spills. 20 Pcs bottles with safe and convenient packaging, can easily remove roller balls and caps. Perfect for use of Essential Oils, Perfumes Oils and Other Liquids. Perfect for travel, and conveniently fits in your purseyou can take your oils wherever you go Specification: Material: Glass + PP Capacity: 5ml Size Chart: Whole Size: Approx. 2 x 2 x 6cm/ 0.8 x 0.8 x 2.4 inch The Bottle Size: Approx. 4.7cm/1.9inch Package Includes: 20 Pieces Essential Oil Roller Bottles Images & Text: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!