Specifications:Made of high quality glass material, it is durable, anti-rust and easy to use.It can be used for craft work, laboratory, chemical, biological, etc.Thick and non-slip design makes it wear-resistant, stable and safe.A variety of capacities can be selected to fully meet your needs.Item Name: Burner Empty BottleMaterial: GlassProduct Models: 30ml, 60ml, 150ml, 250mlFeatures: Durable, Easy to Use, with Plastic CapProduct Height: 70mm/2.76", 80mm/3.15", 105mm/4.13", 115mm/4.53" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes (Others Not Included):1 x Empty Bottle1 x Cotton Core Rope1 x Plastic Cap1 x Ceramic Lamp Core Holder