These protective mailers are ideal for protecting books, brochures, calendars, etc.
They are often called Capacity Book Mailers, or Card Mailers.
PIP – All rigid card mailers are sized to fit the Royal Mail Large Letter size limits (also known as Pricing In Proportion – PIP) and can be used to save on postage costs compared to using traditional box parcels. They are also lighter-weight compared to boxes.
The 249mm x 352mm envelope is the largest available that fits within the Royal Mail Large Letter size limit.
They are also handy for loose items that would otherwise bunch up in mailing bags, to ensure they will fit within Royal Mail’s large letter size limits.
These envelopes are made from strong 400gsm card in natural manilla brown.
These envelopes become rigid when the contents are put inside as they expand in thickness.
store often use Rigid Card Mailers like these for sending books and other small/thin items that need extra protection that normal envelopes don’t provide, and are designed so they fit through most letterboxes.
They have a peel & seal closure that are easy to close by the seller, and the receiver has a handy rip & strip opening, making it easy to open the package.
The size of this item is 164mm x 180mm, with 100 envelopes included.
5 Sizes Available:
100 x Cardboard Envelopes 164mm x 180mm (CD) 400gsm Card – Peel and Seal – Rip and Strip Open – Capacity Book Mailers/Card Mailers for Royal Mail Large Letter Posting (PIP) – by Crimson Starfish
£66.99
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- ✅ Great Protection – Protective cardboard mailers that can be used to protect books, brochures, calendars, cards, etc. Cardboard weight/thickness is 400gsm
- ✅ Save Money – Sized to fit within Royal Mail Large Letter size limits, so save postage costs compared to using traditional boxes sent as Royal Mail Small Parcels. The rigid cardboard prevents items from bunching up (that would change a large letter to a small parcel)
- ✅ Save Time – Easy to use Peel & Seal close, and Rip & Strip open; Speed up packing times; Convenient for customers
- ✅ Professional Appearance – Looks more presentable than floppy mailing bags while keeping the goods in-place; Similar to the mailers used by Amazon
- ✅ Size: 164mm x 180mm – 100 Envelopes – Perfect for posting CDs
In stock
Additional information
| Weight | 2.8 kg |
|---|---|
| brand | Crimson Starfish |
| dimensions | 21.8 x 19 x 17.5 cm |