We love these things and use them as the main method of packing our book orders. They are robust and cost-effective.
Wholesale Self Sealing A4 Wrap Mailer 302 x 215 x 80mm Book Wrap R4 x1000
This R4 book wrap mailer (M168) measures 302 x 215mm inside, with adjustable height up to 80mm. It suits A4 books, catalogues, folders and multi-book orders: the wrap-around design folds snugly to the thickness of the contents and forms extra corrugated edges that protect corners in transit. A peel-and-seal strip closes it without tape, and a tear strip lets your customer open it cleanly. Sold in a bulk pack of 1,000.
| Product code | M168 (R4) |
|---|---|
| Inner size | 302 x 215mm |
| Adjustable height | Up to 80mm |
| Suits | A4 items |
| Board | E-flute corrugated, natural brown kraft |
| Closure | Self-sealing peel-and-seal strip, with tear strip |
| Pack size | 1,000 mailers |
| Sustainability | FSC certified; over 50% recycled fibre; 100% recyclable |
| Guarantee | 90-day money-back guarantee |
Browse the full range of Corrugated Self-Seal Book Wrap Mailers.
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Sizing
Inside: 215 x 302mm, up to 80mm high
Not sure? Use the size guide below or call us on (02) 8750 5347.
Inside size (length x width) and the tallest item each wrap takes.
| Size | Inside (mm) | Good for | Link |
|---|---|---|---|
| R1 | 217 x 155, up to 60mm | Paperbacks, A5 books | View → |
| R2 | 251 x 165, up to 60mm | A5 books, diaries | View → |
| R3 | 270 x 190, up to 80mm | Larger books, games | View → |
| R4 | 302 x 215, up to 80mm | A4 books, catalogues, folders | View → |
| R4W | 302 x 240, up to 80mm | Wider A4 books and folders | View → |
| R5 | 330 x 280, up to 60mm | Large books, folders | View → |
| V8 | 430 x 330, up to 60mm | A3 books, art prints | View → |








Place the item on the base, fold the side panels around it, fold the end flaps to fit its height and seal it with the adhesive strip. The wrap-around design forms extra corrugated edges that protect corners. Your customer opens it with the tear strip.
Books, catalogues, diaries, folders, board games, DVDs and boxed items. The LP wrap is made for 12-inch vinyl records.
Yes. The height shown is the maximum. The wrap folds down to the thickness of your item, so one size covers many products.
The pack size is how many mailers come in one pack, for example 100 is a pack of 100 mailers. "Number of packs" sets how many packs you get, so a pack of 100 with 2 packs is 200 mailers.
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.
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