noun which may take the genitive case particle 'no'
economy-size; economy-sized
Describes a product sold in a larger, more cost-effective package. Used as a no-adjective before nouns like パック or ボトル.
エコノミーサイズの洗剤を買うとお得です。
Buying the economy-size detergent is a good deal.
このシャンプーにはエコノミーサイズがありますか?
Does this shampoo come in an economy size?