noun which may take the genitive case particle 'no', noun
Describes paper, cloth, or similar materials that are thicker than standard. Often used in product specifications or when comparing material weights.
このプリンターは厚口の用紙にも対応しています。
This printer also supports thick paper.
厚口の生地で作られたバッグは丈夫です。
Bags made of thick fabric are durable.