They were originally sold by Sapporo Breweries Ltd. (Draft One) and by Suntory Holdings Limited (Super Blue) and one 350ml can is cheaper than that of low-malt beer by 10 yen or more.
サッポロビール（ドラフトワン）やサントリー（スーパーブルー）から発売されており、発泡酒よりも350ml缶で10円以上も安い。