Description
The Jiffy bag size 1 box holds one hundred Jiffy Green padded bags, each 165 x 280mm (6.5 x 11in). Every bag has a Kraft paper outer lined with paper-fibre padding instead of plastic bubbles, and closes with a peel-and-seal strip, so no tape is needed.
This is the lowest price per bag for this size, so it suits regular senders. Other packs: pack of 20, pack of 50.

Jiffy bag size 1: specifications
| Size | 165 x 280mm (6.5 x 11in) |
|---|---|
| Fits | A5 items (148 x 210mm), paperbacks, accessories |
| Outer | Kraft paper |
| Padding | Paper fibre |
| Closure | Self-adhesive strip |
| Construction | Folded, double-glued bottom flap, no side seams |
| Manufacturer | Jiffy (made in Italy) |
| Pack quantity | 100 |
| Royal Mail | Royal Mail Large Letter when the packed item is no thicker than 25mm and weighs no more than 750g (limits 353 x 250 x 25mm) |
Good for: Jewellery, phone accessories, paperbacks, cosmetics and A5 items.
Which Jiffy bag size do I need?
Measure your item, then add about 10mm to each side so the bag closes without strain. Neighbouring sizes:
- Jiffy bag size 00: 105 x 229mm
- Jiffy bag size 0: 135 x 229mm
- Jiffy bag size 2: 195 x 280mm
- Jiffy bag size 3: 195 x 343mm
See every size side by side in our Jiffy bag sizes guide or browse all Jiffy Green padded bags. This size can post as a Royal Mail Large Letter if the packed bag is no thicker than 25mm and weighs 750g or less.
Buying for a business, school or production?
We supply online sellers, small brands, print shops, theatres and schools. If you order this size regularly, contact us to ask about trade pricing.
Jiffy bag size 1 FAQs
What size is a Jiffy bag size 1?
165 x 280mm (6.5 x 11in).
Will A5 fit?
Yes, A5 (148 x 210mm) fits with room to spare.
Can I post it as a Large Letter?
Yes, if the packed bag is no thicker than 25mm and weighs no more than 750g.















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