also: ノンアイロン
noun
no-iron; wash-and-wear; drip-dry
Describes clothing that does not need ironing after washing, often used for shirts and other garments.
このシャツはノーアイロンで助かる。
This shirt is no-iron, which is really convenient.
旅行にはノーアイロンの服が便利だ。
No-iron clothes are handy for travel.
From English 'no-iron' or 'non-iron'.