Quality Glass Bottles: Our Roller Bottles are made from high-quality amber glass that smooth,durable and corrosion-resistant, ensuring their potency Leak Proof Design: Equipped with stainless steel rollers, these bottles provide a secure and reliable seal, preventing any leakage. Enjoy peace of mind knowing your oils are safe and won't create a mess Convenient Size: The compact 10 ml size makes these essential oil roller bottles perfect for both home and travel use. Easily carry your favorite essential oils with you wherever you go, so you can always enjoy their invigorating benefits Easy Filling: Our 10 ml sample vials that makes filling them a breeze. No more struggling or wasting precious oils simply to neatly pour your desired amount into each bottle DIY Experience: These roller bottles are designed for essential oil lovers and offer a DIY experience. You can make your own personalized essential oil blends