Functions: The alcohol lamp is made of 304 stainless steel, which is corrosion resistant. Heavy wall, leak-proof screw, explosion protection, increased safety. Explosion protection: It is safer than a glass alcohol lamp. Easy to use, long service life. This laboratory alcohol burner with a copper screw and a wick is convenient to use and store. Specification: Material: Stainless steel and copper. Weight: approx. 285 g. Size: Approx. 11.5 x 10 x 10 cm / 4.5 x 3.9 x 3.9 inches. Colour: Silver capacity: 400 ml screw: Fine copper screw. Package list: 1 x alcohol lamp. Note: Please allow slight errors due to manual measurement. Thank you for your understanding.