
Mailing Boxes Australia
High-quality mailer boxes and mailing boxes, designed for secure shipping and e-commerce deliveries across Australia. Made from durable corrugated cardboard and available in a wide range of sizes, our boxes are perfect for businesses that want reliable, professional packaging.
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Small Flat Mailers
Size: 178 x 100 x 15 mm
(Bundle of 25)
SKU: MAILER FLATSMLB
Introducing our Small Flat Mailers in a brown-on-brown finish, ideal for e-commerce businesses seeking a secure, stylish packaging solution. Each mailer measures 178 x 100 x 15 mm and is made from durable E Flute material to keep your products and documents safe during transit. Approved for standard letter boxes, these mailers prevent crucial materials from being folded, bent, or damaged. Their sleek design ensures a professional presentation while offering maximum convenience for both sender and recipient. Available in bundles of 25. SKU: MAILER FLATSMLB
- SKU: MAILER FLATSMLB
- Size (L x W x H): 178 x 100 x 15 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / Brown Outside
- (25 QTY per bundle):
- Buy 1 to 2: $18.00 Per bundle$0.72 each
- Buy 3 to 5: $17.00 Per bundle$0.68 each
- Buy 6 to 9: $16.00 Per bundle$0.64 each
- Buy 10 to 50: $15.00 Per bundle$0.60 each
- *All prices are ex GST
$18.00
per bundle$0.72 eachBundle
Small Mailing Box
Size: 120 x 95 x 55 mm
(Bundle of 25)
SKU: TFWSMLB
Introducing our Small Mailing Box (Bundle of 25), a reliable and stylish solution for shipping small items. Measuring 120 x 95 x 55 mm, these boxes are crafted from durable E Flute material and feature a cohesive brown on brown finish, offering a sleek, professional look. Designed to keep your documents and gifts secure during transit, they prevent bending and damage, ensuring a pristine unboxing experience. Ideal for e-commerce businesses and retail use, these compact mailing boxes provide excellent protection and presentation. Enjoy easy assembly and a premium design that enhances your brand's image. SKU: TFWSMLB
- SKU: TFWSMLB
- Size (L x W x H): 120 x 95 x 55 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / Brown Outside
- (25 QTY per bundle):
- Buy 1 to 2: $29.00 Per bundle$1.16 each
- Buy 3 to 5: $28.00 Per bundle$1.12 each
- Buy 6 to 9: $27.00 Per bundle$1.08 each
- Buy 10 to 50: $26.00 Per bundle$1.04 each
- *All prices are ex GST
$29.00
per bundle$1.16 eachBundle
TSW Medium Mailing Box
Size: 290 x 192 x 38 mm
(Bundle of 25)
SKU: TSW-W1S10
Introducing our TSW Medium Mailing Box (Bundle of 25) in a sleek white on brown finish. Measuring 290 x 192 x 38 mm, this robust box is crafted from durable E Flute, ensuring superior protection for your products during transit. Ideal for e-commerce and retail shipping, its secure design prevents bending and damage while fitting standard letter boxes effortlessly. Elevate your packaging with this stylish, eco-friendly solution that reflects your commitment to quality and sustainability. SKU: TSW-W1S10
- SKU: TSW-W1S10
- Size (L x W x H): 290 x 192 x 38 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / White Outside
- (25 QTY per bundle):
- Buy 1 to 2: $45.00 Per bundle$1.80 each
- Buy 3 to 5: $44.00 Per bundle$1.76 each
- Buy 6 to 9: $43.00 Per bundle$1.72 each
- Buy 10 to 50: $42.00 Per bundle$1.68 each
- *All prices are ex GST
$45.00
per bundle$1.80 eachBundle
TSW Medium Mailing Box
Size: 215 x 185 x 35 mm
(Bundle of 25)
SKU: TSW-W1S09
Introducing our TSW Medium Mailing Box (Bundle of 25) in a refined white on brown finish, designed for secure shipping. Measuring 215 x 185 x 35 mm, this sturdy box is crafted from durable E Flute, ensuring your items remain protected during transit. Its smart design prevents documents from bending or damage while fitting standard letter boxes seamlessly. Ideal for e-commerce and retail, this box provides a premium unboxing experience while showcasing your brand’s commitment to quality. Available in bundles of 25 units. SKU: TSW-W1S09
- SKU: TSW-W1S09
- Size (L x W x H): 215 x 185 x 35 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / White Outside
- (25 QTY per bundle):
- Buy 1 to 2: $42.00 Per bundle$1.68 each
- Buy 3 to 5: $41.00 Per bundle$1.64 each
- Buy 6 to 9: $40.00 Per bundle$1.60 each
- Buy 10 to 50: $39.00 Per bundle$1.56 each
- *All prices are ex GST
$42.00
per bundle$1.68 eachBundle
TSW Large Mailing Box
Size: 380 x 330 x 95 mm
(Bundle of 25)
SKU: TSW-W1S07
Introducing our TSW Large Mailing Box (Bundle of 25) 380x330x95mm, a robust packaging solution designed to protect larger shipments. Crafted from durable E Flute with a stylish white on brown finish, it offers a sleek, professional look while ensuring your items remain secure during transit. Its self-assembling design provides ease of use and efficiency, making it ideal for e-commerce and retail shipping. Each bundle contains 25 units, delivering consistent quality and protection for your products. SKU: TSW-W1S07
- SKU: TSW-W1S07
- Size (L x W x H): 380 x 330 x 95 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / White Outside
- (25 QTY per bundle):
- Buy 1 to 2: $57.00 Per bundle$2.28 each
- Buy 3 to 5: $56.00 Per bundle$2.24 each
- Buy 6 to 9: $55.00 Per bundle$2.20 each
- Buy 10 to 50: $54.00 Per bundle$2.16 each
- *All prices are ex GST
$57.00
per bundle$2.28 eachBundle
TSW Large Mailing Box
Size: 445 x 255 x 110 mm
(Bundle of 25)
SKU: TSW-W1S08
Introducing our TSW Large Mailing Box (Bundle of 25) 445x255x110mm in a refined white on brown finish. Crafted from durable E Flute, this premium mailing box provides robust protection for larger shipments while adding an elegant touch to your packaging. Its spacious design ensures secure transit and is ideal for e-commerce and retail applications. The self-assembling construction makes for easy setup, ensuring your items remain safe during delivery. Elevate your brand’s presentation with this stylish, reliable mailing solution. SKU: TSW-W1S08
- SKU: TSW-W1S08
- Size (L x W x H): 445 x 255 x 110 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / White Outside
- (25 QTY per bundle):
- Buy 1 to 2: $64.00 Per bundle$2.56 each
- Buy 3 to 5: $63.00 Per bundle$2.52 each
- Buy 6 to 9: $62.00 Per bundle$2.48 each
- Buy 10 to 50: $61.00 Per bundle$2.44 each
- *All prices are ex GST
$64.00
per bundle$2.56 eachBundle
TSW Micro Mailing Box Brown
Size: 155 x 110 x 45 mm
(Bundle of 25)
SKU: TSW-XSMLBB
Introducing our TSW Micro Mailing Box Brown (Bundle of 25) 155x110x45mm. These compact mailing boxes are ideal for small shipments in e-commerce and retail. Crafted from durable E Flute material and finished in a consistent brown on both sides, they offer robust protection and a timeless look. The self-assembling design ensures a secure fit during transit and fits standard letter boxes perfectly. Enhance your product presentation with this efficient, eco-friendly packaging solution—packaged conveniently in bundles of 25. SKU: TSW-XSMLBB
- SKU: TSW-XSMLBB
- Size (L x W x H): 155 x 110 x 45 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / Brown Outside
- (25 QTY per bundle):
- Buy 1 to 2: $32.00 Per bundle$1.28 each
- Buy 3 to 5: $31.00 Per bundle$1.24 each
- Buy 6 to 9: $30.00 Per bundle$1.20 each
- Buy 10 to 50: $29.00 Per bundle$1.16 each
- *All prices are ex GST
$32.00
per bundle$1.28 eachBundle
Small Mailing Box White
Size: 155 x 110 x 45 mm
(Bundle of 25)
SKU: TSW-XSML
Introducing our Small Mailing Box White (Bundle of 25) 155x110x45mm, a compact and reliable packaging solution for small shipments. Crafted from durable E Flute, it features a sleek white on brown finish that offers a professional, eye-catching look. Designed to fit standard letter boxes, it keeps your documents and gifts secure during transit. Ideal for e-commerce businesses seeking a cost-effective, eco-friendly option, this mailing box combines convenience with style. SKU: TSW-XSML
- SKU: TSW-XSML
- Size (L x W x H): 155 x 110 x 45 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / White Outside
- (25 QTY per bundle):
- Buy 1 to 2: $34.00 Per bundle$1.36 each
- Buy 3 to 5: $33.00 Per bundle$1.32 each
- Buy 6 to 9: $32.00 Per bundle$1.28 each
- Buy 10 to 50: $31.00 Per bundle$1.24 each
- *All prices are ex GST
$34.00
per bundle$1.36 eachBundle
TSW Medium Mailing Box
Size: 225 x 160 x 80 mm
(Bundle of 25)
SKU: TSW-BB05
Introducing our TSW Medium Mailing Box (Bundle of 25) 225x160x80mm, designed for secure, stylish packaging. With a sleek brown-on-brown finish and crafted from durable E Flute, this box protects your items during transit while maintaining a professional look. Its robust construction prevents bending and damage, making it ideal for e-commerce and retail shipments. The self-assembling design fits standard letter boxes, ensuring convenience for both sender and recipient. Each bundle includes 25 units, offering an eco-friendly, cost-effective solution that enhances the unboxing experience. SKU: TSW-BB05
- SKU: TSW-BB05
- Size (L x W x H): 225 x 160 x 80 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / Brown Outside
- (25 QTY per bundle):
- Buy 1 to 2: $43.00 Per bundle$1.72 each
- Buy 3 to 5: $42.00 Per bundle$1.68 each
- Buy 6 to 9: $41.00 Per bundle$1.64 each
- Buy 10 to 50: $40.00 Per bundle$1.60 each
- *All prices are ex GST
$43.00
per bundle$1.72 eachBundle
TSW Large Mailing Box
Size: 350 x 315 x 50 mm
(Bundle of 25)
SKU: TSW-BB06
Introducing our TSW Large Mailing Box (Bundle of 25) 350x315x50mm, crafted from robust B Flute with a consistent brown finish on both sides. This spacious box is designed for secure shipping, ensuring your items remain safe and protected during transit. Its self-assembling design guarantees a snug fit and easy setup, making it ideal for large shipments in e-commerce and retail environments. With an emphasis on durability and a professional presentation, this eco-friendly packaging solution elevates your brand’s unboxing experience. SKU: TSW-BB06
- SKU: TSW-BB06
- Size (L x W x H): 350 x 315 x 50 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: B Flute 3.0mm
- Colour: Brown Inside / Brown Outside
- (25 QTY per bundle):
- Buy 1 to 2: $52.00 Per bundle$2.08 each
- Buy 3 to 5: $51.00 Per bundle$2.04 each
- Buy 6 to 9: $50.00 Per bundle$2.00 each
- Buy 10 to 50: $49.00 Per bundle$1.96 each
- *All prices are ex GST
$52.00
per bundle$2.08 eachBundle
TSW Small Mailing Box
Size: 150 x 100 x 75 mm
(Bundle of 25)
SKU: TSW-BB04
Introducing our TSW Small Mailing Box (Bundle of 25) 150x100x75mm in a refined brown on brown finish. Ideal for e-commerce businesses shipping special packages, this compact mailing box is designed to keep your items safe and secure during transit. Made from durable E Flute, its twin side walls enhance strength and stability, offering excellent resistance to crushing and bending. Perfect for protecting fragile or delicate items, it ensures your contents arrive in pristine condition. Elevate your brand’s presentation with this reliable, eco-friendly packaging solution. SKU: TSW-BB04
- SKU: TSW-BB04
- Size (L x W x H): 150 x 100 x 75 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / Brown Outside
- (25 QTY per bundle):
- Buy 1 to 2: $35.00 Per bundle$1.40 each
- Buy 3 to 5: $34.00 Per bundle$1.36 each
- Buy 6 to 9: $33.00 Per bundle$1.32 each
- Buy 10 to 50: $32.00 Per bundle$1.28 each
- *All prices are ex GST
$35.00
per bundle$1.40 eachBundle
TSW Small Mailing Box
Size: 140 x 100 x 60 mm
(Bundle of 25)
SKU: TSW-BB02
Introducing our TSW Small Mailing Box (Bundle of 25) 140x100x60mm in a uniform brown finish. Crafted from durable E Flute, this compact box is ideal for e-commerce businesses sending special packages. Its twin side walls provide added strength and stability, ensuring superior protection against crushing and bending during transit, especially for fragile items. Designed for efficient shipping and a professional presentation, this packaging solution keeps your contents secure from sender to recipient. SKU: TSW-BB02
- SKU: TSW-BB02
- Size (L x W x H): 140 x 100 x 60 mm
- Bundle QTY: 25 units
- Style: Mailer Boxes
- Material: E Flute 1.5mm
- Colour: Brown Inside / Brown Outside
- (25 QTY per bundle):
- Buy 1 to 2: $30.00 Per bundle$1.20 each
- Buy 3 to 5: $29.00 Per bundle$1.16 each
- Buy 6 to 9: $28.00 Per bundle$1.12 each
- Buy 10 to 50: $27.00 Per bundle$1.08 each
- *All prices are ex GST
$30.00
per bundle$1.20 eachBundle
- Australian business
- Recyclable corrugated cardboard
- Fast Australia-wide delivery
- Bulk & wholesale pricing available
What Are Mailing Boxes?
Mailing boxes, also known as mailer boxes, are rigid corrugated cardboard boxes designed to protect products during shipping and postage. Unlike satchels or thin cartons, mailing boxes provide structure, strength, and a professional unboxing experience.
They are commonly used by e-commerce businesses, retailers, and subscription services to ship products safely while keeping packaging lightweight and cost-effective.
Mailing Boxes vs Shipping Boxes
While mailing boxes and shipping boxes are often confused, they serve slightly different purposes.
Mailing boxes are typically smaller, lighter, and designed for individual items or retail orders. They are ideal for postage, courier deliveries, and direct-to-customer shipping.
Shipping boxes are generally larger and used for bulk freight, warehouse transfers, or palletised shipments.
Choosing the right box depends on your product size, weight, and delivery method.
Postal Boxes & Postage Boxes
Many customers search for postal boxes or postage boxeswhen they're looking for sturdy packaging suitable for couriers and Australia Post-style deliveries. In most cases, these refer to the same thing as mailing boxes / mailer boxes - durable corrugated boxes designed to protect items in transit.
If you're sending products regularly, choosing the right postal box size helps reduce void fill, improve presentation, and lower shipping costs.























