Double Wall Corrugated Postal Mailing Box 450x450x450mm Brown
Double Wall Corrugated Postal Mailing Box 450x450x450mm Brown
Constructed with durable double-wall corrugated cardboard, this heavy-duty mailing box provides outstanding crush resistance and reliable protection for shipping and storage. Made from 125gsm cardboard sheets with a robust 6 to 7 mm wall thickness, it safeguards items throughout demanding transit and warehouse environments.
These brown postal boxes arrive flat-packed for convenient, space-saving storage and assemble quickly for efficient packing. Featuring precise 450 x 450 x 450 mm internal dimensions, each container is made from 100% recyclable materials for a sustainable packaging solution.
Key Features
| Internal Dimensions | 450 × 450 × 450 mm |
| Color | Brown |
| Material | 125gsm Corrugated Cardboard |
| Wall Type | Double Wall |
| Wall Thickness | 6–7 mm |
| Recyclability | 100% Recyclable |
| Product Type | Postal Mailing Box |
Highlights
- 18″ x 18″ x 18″ (approx. 450 x 450 x 450 mm) brown flat mailing box
- Dimensions based on internal measurements (L x W x H)
- Box wall thickness between 6 and 7 mm, constructed from 125gsm cardboard sheets
- Double wall construction for durability
- Easy to assemble
- Lightweight design
- Made from quality raw materials
- 100% recyclable
Materials & care
Manufactured from 100% recyclable 125gsm corrugated cardboard. Store flat in a clean, dry indoor environment away from moisture and direct water contact to maintain structural integrity.
Frequently asked questions
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