these are great for no fuss no muss and quick brewing.I buy them at TSC stores(canada)$20 for 4(equals a 24 pack)but are often on sale for $15 and even $10.Reuse the caps for beer kit or cider(add 1 cup sugar to 2 litres apple juice n 1\8 tsp yeast,ferment for 8 days,refrigerate at least 1 day)...