18 x 18 x 16 Shipping Boxes Wholesale

Name: 18 x 18 x 16 Shipping Boxes
Brand: The Product Boxes UK
SKU: TPB7672
Price: 0.8 GBP
Availability: InStock
Rating: 4.9 (87 reviews)

Get Your 18 x 18 x 16 Shipping Boxes for Secure and Custom Shipping

When it comes to shipping large or heavy items, 18 x 18 x 16 shipping boxes from The Product Boxes UK provide the perfect blend of strength, capacity, and customisation. Whether you’re sending products for retail or simply shipping personal items, these boxes offer a reliable and secure solution for a wide range of shipping needs.

Why Large Cardboard Boxes Are the Ideal Solution for Your Needs?

Large shipping boxes are designed to offer an optimal balance between size and strength, providing excellent protection during shipping. Their square shape ensures efficient use of space, which can reduce shipping costs and prevent shifting during transit. Ideal for various items, these large square boxes are perfect for shipping electronics, fragile goods, and bulkier items that need extra protection.

The box size also allows for easy stacking, ensuring you can manage your packaging needs with minimal hassle. Businesses find these boxes particularly useful for their capacity to accommodate multiple smaller items or large, oddly shaped products. Whether you’re a small business owner or a large company, the versatility and capacity of these corrugated shipping boxes (18 x 18 x 16) make them a top choice for your shipping requirements.

What Makes Our Custom Shipping Boxes Superior in Strength and Safety?

Our shipping boxes are made from high-quality, double-wall corrugated cardboard, which ensures they are both lightweight and incredibly strong. The robust material provides superior protection to your products, safeguarding them from damage during transit. This makes these boxes perfect for shipping heavier items, as well as delicate goods that require extra care.

The corrugated construction adds a layer of shock absorption, reducing the risk of breakage, scratches, or dents. Whether you’re shipping items such as electronics, glassware, or bulky machinery, you can trust that these boxes will offer maximum security.

Get Maximum Durability for Medium-to-Large Shipments

With the ability to handle products up to 40–60 lbs (18–27 kg), these boxes are perfect for medium-to-large shipments that require both strength and durability. Their robust construction ensures that your items stay secure, even during rough handling throughout the shipping process. Whether you’re shipping electronics, fragile goods, or heavier products, these boxes offer the protection and reliability you need for a smooth delivery experience.

What Customisation Options Are Available for Your Shipping Boxes?

At The Product Boxes UK, we understand that every shipment is unique, which is why we offer full customisation on our corrugated shipping boxes (18 x 18 x 16). From printing your company logo to choosing custom designs or adding specific labels, you can make these boxes reflect your brand or specific shipping requirements.

Some custom options include:

Custom printing (logos, designs, branding)
Special coatings (for water-resistant protection)
Unique sizing or modifications to fit specific items

Whether you need a specific colour or additional padding, we can modify your order to ensure your items are well protected and presented professionally.

Now Enjoy Free Logo Print with All Custom Shipping Boxes

At The Product Boxes UK, we offer a valuable benefit with every custom order – free logo printing. This service allows you to personalise your shipping boxes with your company’s logo or design, giving your shipments a professional and branded appearance.

Whether you’re shipping products for retail or sending out bulk orders, adding your logo can increase brand recognition and make a lasting impression on your customers. Our high-quality printing ensures your logo stands out, while the durable construction of our boxes keeps your items safe during transit. Customise your boxes today and enjoy the added benefit of free logo printing on all custom orders.

We Deal in Bulk Orders With Fast Turnaround

We specialise in bulk orders, providing inexpensive shipping boxes at competitive prices for large-scale shipping operations. Whether you need hundreds or thousands of boxes, The Product Boxes UK can fulfill your order quickly and efficiently. We understand the importance of fast and reliable service, which is why we prioritise quick turnaround times on all our bulk orders.

Our team works closely with clients to ensure that every order is handled with care and that your 18 x 18 x 16 shipping boxes are delivered on time, every time. With 24/7 customer support, you can always count on us to assist with any questions or special requests. Reach out today to ensure your shipping process is secure and hassle-free.

Type	Specification
Dimensions	18 x 18 x 16 inches (Length × Width × Height) – Fully Customizable
Box Type	Regular Slotted Container (RSC) – Die-Cut or Custom Styles Available
Material	Corrugated Kraft, White Cardboard, Duplex Board – FSC® Available
Board Grade	Single Wall (B/C-Flute), Double Wall (BC-Flute) – 32 ECT to 44 ECT+
Color Options	Brown Kraft, White, Full CMYK, PMS Matched – Inside/Outside Custom
Printing	Flexographic (1-4 Color), Digital, Offset Litho – Low/High Volume
Logo Placement	Centered, Full Panel, Edge Print – Inside & Outside Custom Logo Print
Finish Type	Matte, Gloss, Linen, Soft-Touch – Optional Textured Finishes
Coating Options	Gloss UV, Matte UV, Aqueous, Spot UV – Optional Varnish or Foil Layer
Size Customisation	Any Length × Width × Height – On-Demand Die Setup for Bulk Orders
Insert Availability	Foam, Corrugated, Cardboard, Molded Pulp Inserts – Engineered Fit
Handle Option	Die-Cut Handles, Reinforced Carry Handles – Custom Positioning
Tear Strip Option	Self-Strip Tear Tape Available – Ideal for Easy-Open Shipping
Weight Capacity	Up to 65 lbs Standard – Custom Double Wall for Higher Load Ratings
Eco-Friendliness	100% Recyclable, Biodegradable Inks – FSC®, Recycled Liners Optional
Closure Type	Tape Sealed, Self-Locking Tabs, Peel & Seal Option Available
Custom Shape	Rectangular, Square, Tri-Fold, Mailer – Engineered to Product Fit
Minimum Order Quantity (MOQ)	100 Units – Volume Discounts from 1,000 to 500,000+
Turnaround Time	Standard 7–12 Business Days – Rush Production on Demand
Shipping Coverage	UK, EU, North America, Middle East – Global Fulfillment Support
Usage Applications	eCommerce, Electronics, Apparel, Retail Goods, B2B Shipping
Compliance Certifications	ASTM D5118, RoHS, REACH, ISTA Drop-Testing – On Request
Inside Printing	Optional Branding, Instructions, QR Codes, or Return Messaging
Customer Support	Design File Prep, Dieline Help, Print Proofing, Dedicated Rep Support
Personalisation Level	Full Custom Structure, Graphics, Inserts, Finish & Sizing

Q. What types of products are best suited for 18 x 18 x 16 shipping boxes?

A. This large square shipping box is ideal for shipping small appliances, layered textiles, multi-item orders, and eCommerce bulk sets. The balanced dimensions make it suitable for items needing consistent padding on all sides.

Q. Are these large cardboard cartons suitable for stacking during palletized shipping?

A. Yes, with the right board grade like 32 ECT or 44 ECT, these square boxes offer excellent stacking strength. They’re widely used for warehouse stacking and container loading due to their structural integrity.

Q. What’s the ideal board type for this box size when shipping fragile items?

A. Double-wall corrugated kraft is the preferred material for protective shipping. It resists compression and impact, making it suitable for fragile or sensitive contents like electronics or home décor.

Q. Can these shipping boxes be customized with inserts or partitions?

A. Absolutely. Foam inserts, cardboard dividers, or molded pulp trays can be added to stabilize internal contents, especially when shipping multiple items or components in one box.

Q. Is the 18x18x16 format compatible with standard courier weight limits?

A. Yes, this cubic box size works well with most courier and freight services. When paired with the right corrugated strength, it can handle medium to heavy loads while staying within standard dimensional weight categories.

Q. Are there eco-friendly options for large corrugated packaging like this?

A. Yes, recycled kraft board options with soy-based inks and biodegradable adhesives are available. These sustainable materials reduce carbon footprint without compromising durability.

Q. Can I print branding or QR codes on these bulk-size shipping boxes?

A. Definitely. Custom printing is available with options for black-and-white flexo, full-color digital, or UV spot logos. You can add marketing elements, barcodes, or logistics symbols directly on the box exterior.

Q. What are some protective packaging strategies for this box volume?

A. Use layered void fill like kraft paper rolls, air pillows, or bubble wrap to cushion products. The box’s large interior allows for flexible internal packaging depending on product fragility and weight.

Q. Can this box size be used for both B2B and DTC shipping?

A. Yes, the generous capacity and customizable design make it suitable for both wholesale shipments and direct-to-consumer deliveries. It’s often used by apparel brands, electronics distributors, and subscription box companies.

Q. Are tear strips or self-locking flaps available for large cartons like this?

A. Yes, optional features like peel-and-seal adhesive strips or tamper-evident tear lines can be added to improve customer unboxing experience and security during delivery.