Can Fresh Aluminum Beer Cans - 16.9 oz - Case of 207 CansAluminum cans offer 100% protection from UV and other wavelengths of light that is harmful to beer. Seamed cans form a much better seal than bottles, which can prevent these issues. Aside from better protection, aluminum cans are the safest option for sharing and enjoying your homebrew. Cans of homebrew can be taken anywhere, without the worry of breaking the glass. 500ml 16. 9 oz aluminum cans Each case contains 207 cans and lids 202 end diameter