noun which may take the genitive case particle 'no'
unlabeled; unbranded; no mark
Describes something without a brand label, logo, or identifying mark. Often used for generic or store-brand products.
無印の商品は安くて品質も悪くない。
Unbranded products are cheap and the quality isn't bad either.
彼はいつも無印の服を着ている。
He always wears unbranded clothes.