A4 Slim PostProof Box

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The A4 Slim PostProof Box is a tough, impact-resistant plastic postal box designed to protect A4 documents, artwork, card, and flat items in transit without the need for any additi onal outer packaging. Simply pack your item, secure the lid with tape, apply your address label and postage, and it is ready to go.When the box and contents weigh under 750g, it qualifies as a Royal Mail Large Letter, keeping your postage costs to a minimum. The white opaque plastic keeps contents hidden from view, and the slim profile is perfectly sized for A4 sheets and documents. UK manufactured, reusable, and recyclable. Also handy for storing craft paper and flat items.Empty box weight: approximately 240g. Internal dimensions: 30.5cm (L) x 21.5cm (W) x 2.1cm (H). External dimensions: 31.5cm (L) x 22.5cm (W) x 2.5cm (H).Also available: 8" x 8" PostProof Box for square items. Show more