Feature 15PCS IN 1 SET: Including 5pcs glass burning lamp bottles, with 250mL large capacity, sufficient quantity for convenient use and replacement. 2WIDE APPLICATION: These burning lamp bottles are suitable for laboratory, classroom or home science equipment that requires a geothermal source. 3GLASS 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. 4EASY TO OBSERVE: The glass bottle is transparent design, convenient to observe the internal liquid usage, which makes the operation safe and reliable. 5EASY OPERATION: These laboratory burning bottles are reusable and durable, the burning time is long, and the extinguishing is convenient and quick.SpecificationItem Type: Burning Lamp BottleMaterial: GlassUses: Ideal for laboratory, classroom or home science equipment requiring a low heat sourceVolume: 250mL .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List5 x BurningLamp BottleNoteDo not tilt burning light bottles to prevent liquid spills and accidents.