Description
📦 DHL Shipping Box 21x16x18 – Large Corrugated Mailer Box
The DHL Shipping Box 21x16x18 is a premium-grade, large corrugated mailer box engineered specifically for courier and ecommerce shipping. Whether you’re fulfilling DHL, FedEx, UPS, or in-house orders, this box delivers the structural integrity and professional presentation your shipments demand.
Measuring 21 × 16 × 18 inches, this box offers generous internal volume — ideal for apparel bundles, footwear, electronics, home goods, and multi-item ecommerce orders. Built from 100% recyclable kraft corrugated board, it’s the eco-conscious choice for modern fulfillment operations.
- 🌱 Eco-Friendly: 100% recyclable, 80%+ recycled content kraft board
- 💪 Dual Strength Options: 3 Ply Standard & 5 Ply Heavy-Duty
- 📐 Precise Dimensions: 21 × 16 × 18 inches (L × W × H)
- 📦 Flat-Packed: Space-saving storage & easy assembly
- ♻️ Sustainable: Biodegradable kraft corrugated construction
- 🚚 Courier-Ready: Optimized for DHL, FedEx, UPS, and ecommerce platforms
Specifications
📐 Technical Specifications – DHL Shipping Box 21x16x18
Below are the full technical specifications for both available strength variants of the DHL Shipping Box 21x16x18.
| Specification |
3 Ply – Standard |
5 Ply – Heavy-Duty |
| 📐 Dimensions (L×W×H) |
21 × 16 × 18 in |
21 × 16 × 18 in |
| 📏 Board Type |
3 Ply Corrugated |
5 Ply Corrugated |
| 💪 ECT Rating |
32 ECT |
48–51 ECT |
| ⚖️ Burst Strength |
200# (Mullen) |
275#+ (Mullen) |
| 🏋️ Max Load Capacity |
Up to 40 lbs |
Up to 80 lbs |
| 🌱 Material |
Kraft Corrugated Board |
Kraft Corrugated Board |
| ♻️ Recyclability |
100% Recyclable |
100% Recyclable |
| 📦 Pack Style |
Flat-Packed (RSC) |
Flat-Packed (RSC) |
| 🖨️ Custom Print |
Available (MOQ applies) |
Available (MOQ applies) |
| 📋 Compliance |
Standard Shipping |
Federal Mil Spec PPP-B-636 |
Why Eco Packaging?
🌱 Why Choose Eco Packaging for Your DHL Shipments?
At Eco Packaging, sustainability isn’t just a label — it’s built into every box we make. Our DHL Shipping Box 21x16x18 is designed to minimize environmental impact without compromising on performance.
- ♻️ 100% Recyclable Materials: Every box is fully recyclable at end of life
- 🌱 80%+ Recycled Content: Made from post-consumer recycled kraft board
- 🌍 Reduced Carbon Footprint: Flat-pack design cuts transport emissions
- 💚 Biodegradable Construction: Natural kraft board breaks down safely
- 📦 Right-Size Packaging: Reduces void fill waste and dimensional weight charges
- 🏆 Retail & Courier Ready: Professional unboxing experience for your customers
Switching to Eco Packaging means your brand aligns with global sustainability goals — and your customers notice. 🌿
Shipping & Bulk Orders
🚚 Shipping, Storage & Bulk Ordering Info
Our DHL Shipping Box 21x16x18 is designed for operational efficiency — from your warehouse shelf to your customer’s doorstep.
📦 Flat-Pack Advantage
- Ships completely flat — maximizes pallet efficiency
- Reduces storage footprint by up to 80% vs pre-assembled boxes
- Quick fold-and-seal assembly for high-volume packing lines
🏭 Bulk & Wholesale Orders
- 💰 Volume discounts available for bulk orders
- 🖨️ Custom branding & logo printing available (MOQ applies)
- 🔄 Consistent supply with reliable lead times
- 📋 Wholesale pricing available — contact us for a quote
🚀 Courier Compatibility
- ✅ DHL Express & Standard
- ✅ FedEx Ground & Express
- ✅ UPS Standard & Freight
- ✅ Amazon FBA & Seller Fulfilled
- ✅ Shopify, WooCommerce & Etsy fulfillment
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