Cardboard Envelopes | 100 Peel & Seal Letter Envelopes | 164mm x 180mm Envelopes for Postals | Rip & Strip Open | Card Mailers for Royal Mail Large Letter Posting (PIP) by Crimson Starfish

These protective mailers are ideal for protecting books, brochures, s, etc. from scuffs and scrapes (not bending).

They are often called Capacity Book Mailers, or Card Mailers.

PIP - All cardboard 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.

often use Cardboard Mailers like these for sending books and other small/thin items that are posted as a large letter size, 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 approx. 164mm x 180mm (which gets smaller as it expands in thickness), with 100 envelopes included. Each envelope weighs approx. 27g.

5 Sizes Available:

• 164mm x 180mm
• 180mm x 235mm
• 194mm x 292mm
• 234mm x 334mm
• 249mm x 352mm

• PROTECT YOUR POST: We know keeping your post securely sealed is a para priority, & Crimson Starfish have crafted our incredibly protective cardboard envelopes to do just that! Our thick letter envelopes are the ultimate protection. Our brilliant cardboard envelopes expertly protect books, brochures, letters, s, announcements, cards, etc & guard them from harm, scruffs, bends & scrapes. For safe mail transport, trust in Crimson Starfish's immensely dependable & protective envelopes..
• PROTECT YOUR POST: We know keeping your post securely sealed is a para priority, & Crimson Starfish have crafted our incredibly protective cardboard envelopes to do just that! Our thick letter envelopes are the ultimate protection. Our brilliant cardboard envelopes expertly protect books, brochures, letters, s, announcements, cards, etc & guard them from harm, scruffs, bends & scrapes. For safe mail transport, trust in Crimson Starfish's immensely dependable & protective envelopes..
• PEEL & SEAL WITH EASE: Our fabulous cardboard envelopes not only efficiently safeguard your post from harm but are equally time-saving and easy to use. No need for any messy adhesives like glue or tape, with Crimson Starfish's letter envelopes packing and sealing letters is a quick and conveniently done task. To use, simply peel and rip the strip off once your post has been placed securely inside and seal safely with the adhesive on the envelope ready to be posted!.
• STOCK UP FOR SUPERIOR SAFE SEALING: Crimson Starfish's cardboard envelopes are a cost-efficient choice. Sized to fit within Royal Mail Large Letter capacity limits, our cardboard envelopes saves postage costs compared to traditional boxes sent as Royal Mail small parcels. Our cardboard envelopes are expertly crafted to safeguard your post and thus we have made it easier to stock up! Every order includes 100 cardboard envelopes ensuring you never run low and can continuously seal safely!.
• PRESENTABLE-LOOKING POST: Our cardboard letter envelopes possess a professional-looking appearance and can be used for personal and professional use. Our envelopes are immensely more presentable than flimsy, floppy mailing bags and more effective at protecting your post. Each cardboard envelope measures 164mm x 180mm affording you ample space for all your mailing requirements..
• OUR CUSTOMERS ARE LIKE FAMILY: Our customers are at the very heart of our family-run business and deeply important to us. We wholeheartedly care about all of our customers and thus your satisfaction is absolute priority to Crimson Starfish. Please don't hesitate to reach out to us with any questions or feedback you may have - we love hearing from you! Invest in strength and resilient products, and browse our range of premium tapes and packaging suppliers!.