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Custom-made folding boxes Custom printed folding boxes

Folding boxes made of corrugated cardboard Corrugated cardboard folding boxes and cartons Shipping boxes Shipping boxes with double-sided tape and tear-off thread Cardboard boxes with adhesive closure Automatic bottom boxes with adhesive closure Folding boxes Large letter boxes Maxi letter boxes Multimail Cardboard Wraps Shipping tubes Flat Cartons German Post and DHL Boxes Foil fixing packaging Boxes for laptops Foil fixing packaging Wine shipping boxes Single-wall folding boxes Double-walled folding boxes

White Cardboard boxes Brown boxes

Storage boxes Shoe boxes Moving boxes Clothing boxes Book Packaging Wrap Packaging - Multimail Laptop packaging Poster packaging Wine boxes Archive boxes / Document boxes Packaging for food transportation

Folding cartons made of B wave Folding boxes made of BC corrugated cardboard Folding cartons made of E wave Folding cartons made of EB corrugated board

Envelopes with wet adhesive flap Self-adhesive shipping envelopes Shipping envelopes with opening on the short side Shipping envelopes with opening on the longer side Envelopes with a flap to fold over Envelopes with self-adhesive closure (SK)Envelopes with self-adhesive strip (HK)Envelopes with wet adhesive (NK)Envelopes with triangular flap Envelopes with rectangular flap

Envelopes made of paper + foil Foil Shipping Envelopes Envelopes made of smooth paper Cardboard Shipping Envelopes Kraft paper envelopes Paper Envelopes Kraft paper envelopes Polyethylene Shipping Bags Envelopes made of dyed-through paper

White Envelopes Brown Envelopes Black Envelopes Red envelopes Purple Envelopes Cream-colored envelopes Blue Envelopes Orange Envelopes Pink envelopes Silver Envelopes Grey Envelopes Green Envelopes Yellow envelopes

Packaging tape Paper adhesive tape

Printed Paper Adhesive Tapes/LOGO Printed adhesive tapes/LOGO 1 Color 2 Colors 3 Colors

Wet adhesive tape

Mini-Rap-Stretch Film Hand-Stretch Film Eco Stretch Film

Bubble wrap

Self-adhesive labels on a roll Self-adhesive labels on sheets

Acrylic adhesive tapes Solvent Adhesive Tapes Eco-Solvent Adhesive Tapes Hot-Melt Adhesive Tapes

Packaging adhesive tapes Adhesive tapes with print Security adhesive tapes Adhesive Tape Duct Tape PVC adhesive tapes Quietly unrolling adhesive tapes Transparent adhesive tapes Colorful adhesive tapes Wide adhesive tapes Warning tapes Printed adhesive tapes

Adhesive tapes TESA Scotch Tapes Adhesive Tape Duct Tape Smart Adhesive Tapes

1.5 kg 3.0 kg 0.32 kg 1.54 lbs

transparent black brown

Skropak - ecological chips for filling packages Bubble wrap

Waste paper Wrapping paper Kraft wrapping paper Wrapping paper on a roll Paper padding Wrapping paper with dispenser

100 g 200 g 400 g 50 0g 600 g

Paper cool packs (RecyCold® cool packs) with print Corrugated cardboard on roll Honeycomb paper PaperBox Packing Paper Dispenser Cushioning and filling material

600 x 400 mm 800 x 600 mm Thickness 10 mm Thickness 20 mm Thickness 30 mm Thickness 40 mm Thickness 50 mm

Custom-sized PE foam boards Edge protection Protection profiles made of PE foam Paper honeycomb panels Corrugated cardboard cutouts Custom Corrugated Cardboard Cutouts

1 kg 5 kg 6kg Kraft paper Colored Paper

Tissue paper WrapPak Packaging Paper Dispenser

Automatic Paper Dispenser Manual Paper Dispenser

Fixbox Foil Fixation - Inserts Air cushion filling material WrapPak Honeycomb Paper Dispenser PE Foam Cutouts Inserts for wine shipping

Packaging for Laposte (FR)Packaging for Bpost (BE)Packaging for the Czech Post (CZ)Packaging for Poste Italiane (IT)Packaging for Deutsche Post - Maxibrief (DE)Packaging for Deutsche Post - Large Letter (DE)Packaging for PostNL (NL)Packaging for PostNord Denmark (DK)Packaging for PostNord Sweden (SE)Packaging for Posti (FI)Packaging for Lietuvos Pastas (LT)Packaging for Latvijas Pasts (LV)Packaging for Omniva (EE)Packaging for Magyar Posta (HU)Packaging for Posta Romana (RO)Packaging for Posta Slovenije (SI)Packages to Hrvatska Posta (HR)Length of cardboard up to 450mm

Folding cardboard boxes with print Custom printed folding cartons Printed laptop packaging Folded boxes with print Cardboard boxes with adhesive closure with print Sendbox automatic bottom boxes with print Shipping cartons Sendbackbox with print Flat boxes FlatBox with print Foil fixing packaging FixBox with print Wrap packaging for books RollBox with print Shipping Tubes TubeBox with Print

Paper shipping envelopes Paper cool packs (RecyCold® cool packs) with print Adhesive tape with print Printed paper adhesive tape Padded envelopes with print Printed paper bags

Custom-made folding boxes Custom printed folding boxes Custom-made PE foam boards Customized Welppap cut-outs

Manual Tape Dispensers Wet Paper Adhesive Tape Dispenser ActivaWrap Wrapping Paper Dispenser WrapPak Honeycomb Paper Dispenser Stretch film dispenser Paperbox packing paper dispenser Paper padding systems PP Strapping Sets Air cushion machine

Cardboard shelves Metal shelves

Plastic storage container Label Printer

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Envelopes with removable strip

RecyCold - Paper filler and cooling bag Paper cool packs (RecyCold® cool packs) with print Paper mailers AirPro Green Air Cushion Bags Eco-Stretch Film Eco-Film Shipping Bags

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C3 envelopes

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Let's not kid ourselves... size matters - especially with large formats, that's why we present C3 envelopes!

Brown solid cardboard Lettpac C3 324x458 envelope

from 2.71 zł tax incl.

White solid cardboard envelope TP260 320x455

from 3.53 zł tax incl.

White solid cardboard Lettpac C3 envelope 324x458

from 3.53 zł tax incl.

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C3 Envelopes

C3 envelopes measure approximately 324 x 458 mm, making them suitable for shipping large projects, architectural plans, maps, frames, posters, large prints or graphics. They are the perfect choice when you don’t want to fold your work or risk creases and bends (and you definitely don’t).

At Boxmarket, we also offer C3 envelopes made of solid board. Their thick, rigid construction protects the contents like armor against unwanted adventures during transport, while the self-adhesive strip and tear strip ensure fast packing and safe opening.

Large C3 envelopes for large needs – Boxmarket takes care of everything

At Boxmarket, we don’t treat envelopes as an afterthought while focusing only on boxes. We know that envelopes are a key element of logistics, especially when shipping large, flat formats.

Are you a creative agency, architect, graphic designer, photographic artist, or do you run an e-commerce business that needs to ship large flat materials? Get in touch and we’ll help you choose a C3 envelope perfectly suited to your needs and products. Let’s make sure your shipment is safe, fast and aesthetically pleasing!