Strong Mailing Boxes Large Letter Pip Cardboard Postal Boxes C4, C6 Pack of 50

C4 325 x 225 x 20mm 25 Boxes. C6 163 x 112 x 20mm 25 Boxes. 💡Why Choose Our Large Letter PiP Boxes?. Large Letter PiP Box. Save money. Cardboard Envelopes. 🧱Premium Quality Cardboard. ✅ Strong, Lightweight & Durable – Made from premium-quality cardboard for maximum protection.

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