BX4 B4 Mailing Boxes 430 × 305 × 140mm Brown Corrugated Shipping Boxes | Strong, Lightweight & Eco-Friendly

Protect your products with our BX4 B4 Size Brown Mailing Boxes 430 × 305 × 140mm (43 × 30.5 × 14cm). Manufactured from strong corrugated cardboard, these boxes provide a reliable balance of durability, lightweight construction and professional presentation, making them ideal for eCommerce, retail, business mailing and everyday shipping across Australia.

The practical rectangular design provides ample space for documents, clothing, retail products, electronics, accessories and other medium-sized items. Supplied flat-packed, the boxes are easy to store, assemble and seal with packing tape.

📦 Product Details

• Box Type: BX4 / B4 Mailing Box
• Style: Corrugated Mailing & Shipping Box
• Color: Natural Brown Kraft
• Material: Strong Corrugated Cardboard
• Internal Dimensions: 430 × 305 × 140mm
• External Dimensions: 435 × 310 × 150mm
• Weight: 360g per box
• Internal Volume: 0.0184 m³
• External Volume: 0.0202 m³
• Cubic Weight: 5.0kg
• Pack Size: 25 Boxes
• Branding: Custom logo printing available

⭐ Key Features

• Strong and durable corrugated cardboard construction
• Lightweight design to help manage shipping costs
• BX4 / B4-size format for convenient mailing and packaging
• Flat-packed for easy storage
• Quick and easy to assemble
• Secure packaging for products during handling and transit
• Suitable for Australia Post and major courier services
• Professional natural brown kraft appearance
• Recyclable and eco-friendly cardboard packaging
• Ideal for eCommerce, retail and commercial use
• Available for custom logo printing and branded packaging

📦 Usage & Applications

These 430 × 305 × 140mm B4 mailing boxes are suitable for a wide range of products and shipping requirements.

Perfect For:

• eBay and Amazon orders
• Shopify and WooCommerce fulfilment
• Etsy orders and online retail
• Clothing and fashion products
• Books, documents and stationery
• Electronics and computer accessories
• Homewares and retail products
• Beauty and cosmetic products
• Promotional and gift packaging
• Business and office supplies
• Wholesale and commercial distribution
• Warehouse storage and inventory
• General Australia-wide shipping

🚚 Shipping & Courier Use

The BX4-style format provides a practical solution for businesses regularly dispatching products through Australia Post, Fastway, DHL, TNT and other courier services. Its lightweight corrugated construction provides dependable protection without adding unnecessary packaging weight.

🌱 Eco-Friendly Packaging

These brown cardboard mailing boxes are made from recyclable corrugated cardboard, providing a more sustainable alternative to plastic-based packaging. After use, the box can be reused, recycled and responsibly disposed of, making it a practical choice for environmentally conscious businesses.

🏷️ Custom Logo Printing

Turn every shipment into a branding opportunity with custom logo printing. Branded mailing boxes can create a more professional presentation, improve brand recognition and enhance the overall customer unboxing experience.

Why Choose Our BX4 Mailing Boxes?

✔ 430 × 305 × 140mm B4-size format
✔ Strong corrugated cardboard construction
✔ Lightweight yet durable
✔ Flat-packed and easy to assemble
✔ Ideal for eCommerce and business shipping
✔ Suitable for major postal and courier services
✔ Recyclable and eco-friendly packaging
✔ 25-box pack
✔ Custom logo printing available

✅ Fits in PM7 Poly Mailer Satchel – View Satchel Here