Denatured Alcohol: This alcohol lamp is thickening type, high quality. Easy to use, long service life Bunsen Burner: This Alcohol Lamp is widely used in lab for burning liquid.chemical goods,etc. It can also as personal use Spirit Burner: It is made of high quality stainless steel, corrosion resistant, Leakproof, unbreakable Alcohol Glasses: This alcohol burners is for heating when you do chemical experiment in lab Alcohol Burner: It is anti-explosion, so compared with glass alcohol lamp, it is safer