コクヨ 再生PET A4ハードカードケース

KOKUYO (コクヨ) is a well-known Japanese brand that specializes in stationery and office supplies. The product you mentioned, "再生PET A4ハードカードケース," translates to "Recycled PET A4 Hard Card Case." This type of card case is typically used for organizing and protecting documents, cards, or other materials in A4 size.
The use of recycled PET indicates an environmentally friendly approach to the product's manufacturing, as PET (polyethylene terephthalate) is a type of plastic that can be recycled. The hard case design usually provides durability and protection, making it a suitable choice for storing important documents safely.
If you're looking for specific information about pricing, availability, or features, you may want to check KOKUYO's official website or other online retailers that carry their products.