noun
off-brand; generic; no-brand
Wasei-eigo from English 'no brand'. Refers to products without a well-known brand name, often implying lower price or store-brand quality.
wasei-eigo (Japanese-coined English), from no brand
ノーブランドの洗剤は安いけど、ちゃんと汚れが落ちる。
No-brand detergent is cheap, but it gets the dirt out properly.
最近
Lately I often see no-brand smartphone cases.