noun, noun which may take the genitive case particle 'no'
something that lasts a lifetime; lifetime-quality item
Refers to durable, high-quality goods (furniture, tools, bags, etc.) that one expects to use for life. Often used in marketing or when praising craftsmanship.
この鞄は一生ものだから、少し高くても買う価値がある。
This bag is a lifetime-quality item, so it's worth buying even if it's a bit expensive.
一生ものの家具を選ぶなら、無垢材がいい。
If you're choosing furniture that will last a lifetime, solid wood is best.
長持ち is a more general term for 'long-lasting' and can apply to consumables or abstract things, while 一生もの implies a product designed to last a person's entire life.
Standard mixed kanji-kana spelling; the most common written form.
Katakana モノ adds a casual, slightly emphatic feel, often seen in advertising or informal writing.
Full kanji spelling is possible but uncommon; may be confused with the reading いっせいぶつ.
A compound of 一生, “a lifetime,” and もの, “thing,” describing something intended to serve or be valued for life.