Key Features
Ultra-thin rectangular mailer design optimised for books and other flat items, combining a slim profile with dependable edge protection during transit
Durable kraft paper construction with a smooth, fine surface texture that presents neatly and helps packaging tape adhere cleanly when sealing
Precision three-dimensional cut pattern that folds into a stable box with tight seams and clean edges for a tidy, professional finish
Right-angle structure engineered to provide reliable pressure resistance and improved drop protection compared with loose envelopes
Clearly marked folding lines to support quick, accurate assembly and consistent results across large packing runs
Flat-packed supply for efficient storage; cartons stack neatly and take up minimal space until needed
Standardised single size per box at 310 × 226 × 28 mm (12.2 × 8.9 × 1.1 inch) to streamline pick, pack, and postage preparation
Natural kraft brown colour for a classic, understated look suitable for e-commerce, express shipping, or home use
Benefits
Saves time in busy packing environments thanks to intuitive fold lines that reduce assembly steps and help maintain uniform presentation across all parcels
Protects corners, spines, and edges of books and similar media better than flexible mailers, helping items arrive in good condition and reduce returns
Maintains structural integrity under typical handling pressures, supporting dependable deliveries through sorting hubs and courier networks
Packs flat and stores compactly, freeing shelf space for inventory and other materials until packing begins
Creates a clean, professional impression on arrival; the smooth kraft surface accepts labels and marker notes clearly for straightforward identification
Consistent dimensions simplify carton selection and postage planning, aiding efficient workflow for small businesses and at-home sellers
The slim, right-angle profile helps minimise wasted void space versus oversized cartons, supporting more orderly stacking in mailbags and totes
Usage Scenarios
E-commerce sellers dispatching single books, magazines, catalogues, manuals, or slim boxed items that benefit from added edge protection
Express shipping of documents, artwork prints, or flat components where a rigid mailer is preferred over flexible envelopes
Retail back-office packaging for online orders that require tidy presentation and consistent dimensions for courier pick-ups
Home organisation and gifting, creating neat, protective wraps for albums, photobooks, or paperwork sent to family and friends
Warehouse pick-and-pack benches handling repeat sizes where speed, uniformity, and dependable fold accuracy are essential
Library, school, or office shipments of learning materials that need to remain flat and protected through transit
Care & Maintenance
Store the flat-packed boxes in a cool, dry environment away from moisture to preserve stiffness and folding quality
Keep bundles on a level surface to prevent edge curling; avoid compressing stacks under heavy objects for long periods
Assemble on a clean bench to keep the smooth kraft surface free from dust before labelling and sealing
Use suitable packing tape on the exterior seams; apply firm pressure along the edges to ensure a secure bond on the kraft surface
If a box becomes damp, set it aside to dry completely before use so the fold lines remain crisp and the structure holds properly
Rotate stock in first-in, first-out order so the earliest packs are used first, maintaining consistent performance over time
Specifications
Material: kraft paper
Quantity: 50 pieces
Dimensions (per box): 310 × 226 × 28 mm / 12.2 × 8.9 × 1.1 inch
Shape: rectangular, ultra-thin profile
Colour: natural kraft brown
Products include
50 × kraft paper mailing boxes (flat-packed)
Precautionary Note
Please allow a 1–3 cm deviation due to manual measurement.
Actual colour may be slightly different from the image due to different monitor and light effects.
Manual measurement may result in a 1–3 cm size deviation.
Colour differences may occur due to lighting and screen display.
Tape and any other packing tools shown in images are not included.
Store in a dry environment to maintain structural integrity.