Comes with 5 SET – Our set includes 5 high quality 30 ml glass roller on bottles with glass eye dropper in high quality.The rolling balls are made of corrosion-resistant stainless steel and are well-made. The tight seal prevents any kind of leakage. With our complimentary opener, the bottle can be easily disassembled and filled. DIY Tool-- These roller ball bottles can be as dispensers for medicine cabinet items, home made serums, as essential oil bottles, storing perfumes, chemistry lab chemicals, and other apothecary products. bottles are detachable and reusable, they can be cleaned and washed in warm soapy water. EASY TO USE - The packaging makes it perfect for travelling and it easily fits in your purse. The tightness of the insert prevents any leakage while the roller ball makes it easy to apply the oil evenly, no more rollers getting stuck or falling out. Versatile Usage: These roller bottles are perfect for essential oils, blends, and perfumes, making them suitable for personal use, travel, or as thoughtful gifts for friends and family. 1oz 30ml 5Packs Glass Roller Bottles 30ml/1 Oz Refillable Essential Oil Perfume Roll on Bottles Empty