description: barrel(stainless steel barrel; wine barrel; milk barrel) material: stainless steel 304;stianless steel 201. surface preparation: polishing dimension (Φ*h; mm): 250*250; 300*300; 350*350; 400*400; 450*450; 500*500; 550*550; 600*600.capacity:12L; 20L; 35L; 50L; 70L; 100L; 130L; 170L.thickness: body 0.5mm, lid 0.4mm.