Description
Send small documents, gift cards, and flat items at Australia Post's most affordable letter rates with the DLX White Heavy-Duty Card Envelopes 130 x 240mm (5000 Pack Bulk). Crafted from high-density 300gsm paperboard, these heavy-duty card mailers are significantly thicker and stiffer than standard 80gsm or 110gsm paper envelopes. Engineered to keep contents flat and protected, their 130 x 240mm footprint fully complies with Australia Post's Small Letter dimensions, enabling high-volume mailers to achieve maximum postal savings.
Key Features
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Massive 5000-Piece Bulk Value: Supplied as 10 handy 500-piece cartons (5000 total) to minimize per-unit packaging overheads for high-throughput fulfillment centers and print houses.
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Australia Post Small Letter Compliant: Proportioned at 130 x 240mm to meet AusPost Small Letter guidelines (up to 130 x 240mm), qualifying your mailings for the lowest standard postage rates.
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Heavy-Duty 300gsm Cardstock: Premium 300gsm card construction provides structural stiffness and puncture resistance far superior to traditional paper envelopes.
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High-Tack Peel-and-Seal Strip: Permanent self-adhesive closure speeds up packing lines, eliminating the need for tape, water, or staples.
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Seamless Bottom Construction: Built with a continuous folded base to prevent bottom blowouts and ensure maximum load reliability.
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100% Eco-Friendly & Recyclable: Made from clean white paperboard, fully recyclable through standard kerbside and commercial paper recycling streams.
Product Specifications
| Feature | Details |
| Model / SKU | CE-DLX-5000 |
| Quantity | 5000 Pieces (10 Cartons of 500) |
| Internal Dimensions | 130mm x 240mm |
| Compatible Size | Fits DL/DLX Vouchers, Cards, Tickets & Small Accessories |
| Paperboard Rating | 300gsm Heavy-Duty Cardstock |
| AusPost Size Category | Australia Post Small Letter Format (Max 130 x 240mm) |
| Closure System | Permanent Peel-and-Seal Self-Adhesive Strip |
| Color & Material | Crisp Plain White / 300gsm Cardboard |
| Eco Rating | 100% Recyclable Paperboard |
| Guarantee | 90-Day eBPak Guarantee |
Ideal Applications
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Invoices, statements, promotional vouchers, gift cards, and corporate DL/DLX correspondence
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Concert tickets, event passes, bookmarks, trading cards, and small paper goods
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Flat jewelry pieces, stickers, decals, and ultra-slim retail samples
- Slide documents, prints or photos in flat. A sheet of card on each side adds extra protection.
- Peel the liner off the glue strip and press the flap down firmly.
- Write "Please do not bend" on the front for prints and photos.
- Stick your shipping label on the flat front, away from the flap.
- Free delivery to Sydney & Melbourne metro on orders over $500.
- $50 flat rate to Wollongong areas and $75 to Gosford & Newcastle areas (up to 2 tonne).
- Australia-wide delivery via Australia Post and trusted couriers.
- Free pickup from Minto NSW or Braeside VIC, Mon–Fri 9am–4pm.
- 90-day returns on unopened items. See our refund policy.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Sizing
What fits in this envelope
Inside: 130 x 240mm
- Suits photos, prints and A5 documents that must not bend
- Choose a size 20–30mm wider and longer than your item, so the flap still seals over thicker items
Not sure? Use the size guide below or call us on (02) 8750 5347.
More rigid mailers
Packing essentials
Questions about this envelope
Will a rigid mailer stop my item bending?
Yes. Rigid mailers are made from stiff board (700gsm card or corrugated eFlute), so prints, photos and documents arrive flat. For extra care, write "Please do not bend" on the front.
Will it fit an Australia Post prepaid envelope?
Our DL, C5 and C4 rigid mailers are sized to go inside the matching Australia Post prepaid envelopes. It's in the product title when a mailer is made to fit.
How do I seal it?
Peel the liner off the glue strip and press the flap down firmly.
What's the difference between rigid mailers and card envelopes?
Rigid mailers are made to resist bending. Card envelopes (tough bags) are strong 250–300gsm card that protects documents and catalogues but can flex a little.
What does the pack size mean?
The pack size is how many envelopes come in one pack, for example 100 is a pack of 100 envelopes. "Number of packs" sets how many packs you get, so a pack of 100 with 2 packs is 200 envelopes.
Can I return the envelopes, or pick up my order?
Yes to both. We offer 90-day returns on unopened items (see our refund policy), and you can choose pickup at checkout and collect from Minto NSW or Braeside VIC, Monday to Friday 9am to 4pm.
Need it today? Pick it up.
Order online and we'll usually have it ready in 15–30 minutes at either warehouse.
Talk to our team
Call us on (02) 8750 5347
Fast delivery Australia-wide
Via Australia Post and trusted couriers
Pickup in Sydney & Melbourne
Minto NSW and Braeside VIC
90-Day Returns
On unopened items