426x300x300mm Packing Boxes for Shipping - Pack of 20

The 426x300x300mm crash lock cardboard boxes is designed with efficiency in mind. Our largest size – great for kitchenware, shoes, or household items during moves or storage. It assembles quickly thanks to its auto-lock base, and is made from recyclable corrugated board for both sustainability and strength. A top choice for those in need of reliable boxes for moving house, large moving boxes, cardboard storage boxes.

Dimensions: 426x300x300mm

Key Features:

• Dimensions: 426x300x300mm
• Crash lock (auto-lock) base for quick assembly without the need for bottom taping
• Strong single-wall cardboard box construction for dependable protection
• Compact size suitable for small products, electronics, and accessories
• Supplied flat for easy storage and minimal space usage
• Pack of 20 – ideal for online sellers or organized packing at home

Perfect for Packing & Moving

While these are compact in size, the design principles apply across our full range of cardboard boxes for packing and moving boxes. Whether you’re preparing orders or relocating, using the right cardboard boxes for moving ensures your items arrive safe and secure.

If you need boxes for moving house, or even large cardboard boxes for heavier loads, our extended product line has you covered.

Eco-Friendly and Practical

These cardboard storage boxes are made from recyclable materials, offering a responsible alternative to plastic packaging. Lightweight but strong, they reduce shipping costs while maintaining durability — making them one of the best postage boxes for efficient delivery and sustainable operations.

Common Uses:

• Small cardboard boxes for packing cosmetics, gadgets, samples
• Light-duty boxes for moving delicate household items
• Compact postal boxes for e-commerce businesses
• Organisation and lightweight storage around the home or office

Whether you're after a sturdy large cardboard boxes for postage, compact packing boxes, or efficient cardboard storage boxes, this crash-lock model combines performance with ease of use. Browse our full range for large moving boxes and other cardboard boxes for moving house.