Features 【GLASS BOTTLE】: The body of the burning lamp bottle is made of excellent glass, which is wear and corrosion resistant, and has a long service life. 【EASY TO OBSERVE】: The glass bottle is transparent design, convenient to observe the internal liquid usage, which makes the operation safe and reliable. 【EASY OPERATION】: These laboratory burning bottles are reusable and durable, the burning time is long, and the extinguishing is convenient and quick. 【WIDE APPLICATION】: These burning lamp bottles are suitable for laboratory, classroom or home science equipment that requires a geothermal source. 【5PCS IN 1 SET】: Including 5pcs glass burning lamp bottles, with 250mL large capacity, sufficient quantity for convenient use and replacement. Specification: Item Type: Burning Lamp Bottle Material: Glass Uses: Ideal for laboratory, classroom or home science equipment requiring a low heat source Volume: 250mL Package List: 5 x Burning Lamp Bottle Note: Do not tilt burning light bottles to prevent liquid spills and accidents. Package List 5 x Burning Lamp Bottle