Book Wrap Mailers Strong Cardboard Packaging - A4 A5 Secure Postal Boxes

A4 (302x215x80mm): Designed to fit standard-sized hardcover books, portfolios, or educational materials. A4+ (325x250x80mm): Provides ample space for oversized books, art prints, or boxed sets. They are made from fully recyclable materials, reducing waste and contributing to a greener planet.

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