Convenient and Versatile: Our 10ml glass roller bottles come in a pack of 42, ideal for storing synthesis oil, natural essential oil, aromatherapy, perfumes, lip balms and other liquid which meet your needs of daily care for eyes, faces and body. Easy Application: With stainless steel roller balls, our glass roller ball bottles provide a smooth and effortless application every time. The high-quality roller balls ensure that your oils glide on evenly without any mess or wastage, allowing you to enjoy the full benefits of your favorite essential oils. Preserves Oil Quality: Essential oil glass bottles are made of corrosion-resistant glass that is thick, smooth and shockproof to prevent rapid evaporation of essential oils. Leak-Proof Design: We understand the frustration of leakage and spills when it comes to essential oils. That's why our 10ml glass roller bottles feature a double seal process, effectively preventing any leaks or spills. Now you can confidently take your roller bottles with you on your travels without worrying about messes. Travel-Friendly: The portable size of our essential oil roller bottles makes them ideal for travel. Whether you're going on a weekend getaway or a long vacation, these bottles are perfectly sized to fit in your purse, backpack, or toiletry bag. Take your favorite oils with you wherever you go.