Leo Design 400gsm A4 Cardboard Envelopes | Pack of 30 Heavy Duty Mailers – Rigid Expandable Book Box for Royal Mail Large Letter, Peel & Seal(Disclaimer)

Perfect for A4 size books etc and the only book wraps that fit oversize A4 recipe cook books Made from 100% recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items once assembled Unique rigid kraft e-flute material - extra strength

Fits royal mail large letter size if kept to a maximum 25mm depth when wrapping Made from 100% recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items once assembled Unique rigid kraft e-flute material - extra strength

SIZE & QUANTITY: Our mailing bags come in a range of sizes to accommodate your needs.

BOOK WRAP CARDBOARD MAILER BOX: Our A4 (302x215 + 80mm) Cardboard postage boxes are heavy duty 400gsm corrugated capacity book mailers are easy to assemble and have a peel & seal closure strip, plus a rip strip for easy opening too.

Fits royal mail large letter size if kept to a maximum 25mm depth when wrapping Made from 100% recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items once assembled Unique rigid kraft e-flute material - extra strength

Fits royal mail large letter size if kept to a maximum 25mm depth when wrapping Made from 100% recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items once assembled Unique rigid kraft e-flute material - extra strength

Fits royal mail large letter size if kept to a maximum 25mm depth when wrapping Made from 100% recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items once assembled Unique rigid kraft e-flute material - extra strength

Easy to use with excellent label adhesion.

A4 Size Medium Duty Cardboard: Measures 234 x 334mm with 350gsm rigid cardboard construction that provides high-impact protection for books, documents, and gifts during Royal Mail Large Letter postage 100% Recycled and Recyclable Material: Made from fully recycled cardboard with no plastic coating, fully compostable and can be disposed of in your household recycling bin Instant Access Rip and Strip Opening: Recipients simply pull the tear strip to open without needing scissors or knives, providing safe, fast, and frustration-free access to contents Puncture-Resistant Construction: Built with corrugated board structure to absorb impact and prevent sharp corners from poking through, ensuring items arrive without holes or creases Versatile Capacity for Multiple Items: Accommodates books, brochures, DVDs, magazines, photos, and any item up to 25mm thick in a single envelope solution Peel and Seal Closure System: Features self-sealing adhesive strip that securely closes the envelope without requiring additional tape or moisture activation PIP Approved for Large Letter Postage: Certified under Royal Mail Packet Integrity Protocol to fit Large Letter size template even when full, helping avoid parcel rate surcharges Pack of 30 Expandable Mailers: Bulk quantity packaging provides sufficient supply for regular shipping needs of small businesses, online sellers, and frequent mailers

Our Kraft Book Wraps, crafted from high-quality corrugated cardboard for superior protection during transit.

Fits royal mail large letter size if kept to a maximum 25mm depth when wrapping Made from 100% recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items once assembled Unique rigid kraft e-flute material - extra strength

Primarily used for the mailing of toys, jigsaw puzzles, perfumes, cosmetics, giftsets, 12x10" pictures, A3 photobooks, photo albums etc Made from 100% recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items once assembled Unique rigid kraft e-flute material - extra strength

Fits royal mail large letter size if kept to a maximum 25mm depth when wrapping Made from 100% recycled material and 100% recyclable Aggressive hot melt peel & seel strips - prevents flaps opening in the mail Reinforced corner protection for your items once assembled Unique rigid kraft e-flute material - extra strength

20 Strong Cardboard Boxes - Our cardboard boxes are perfect for securely packing all your heavy or fragile items.

Quantity: 10 Dimensions (Length / Width / Depth): 350mm x 250mm x 160mm / 13.7" x 9.8" x 6.2" / 35cm x 25cm x 16cm Type: Single Wall (Deep option) Colour: Brown This product is manufactured to high standards in the UK exclusively for All-Pack Solutions Ltd and is not supplied to any other re-seller.

BOOK WRAP CARDBOARD MAILER BOX: Our A4 (302x215 + 80mm) Cardboard postage boxes are heavy duty 400gsm corrugated capacity book mailers are easy to assemble and have a peel & seal closure strip, plus a rip strip for easy opening too.

Fragile Protection: This honeycomb packing paper is a suit alternative to bubble wrap, suitable for packaging, storing and transporting ceramics, glassware, tableware and other fragile items, providing them with a shockproof protective layer to avoid possible scratches during transportation.

A4 Size (234 x 334mm) – Heavy Duty 400gsm Cardboard. Provides high-impact protection for books, documents, and gifts during Royal Mail Large Letter postage.

Our Kraft Book Wraps, crafted from high-quality corrugated cardboard for superior protection during transit.

Our Kraft Book Wraps, crafted from high-quality corrugated cardboard for superior protection during transit.