custom print mailer boxes

custom print mailer boxes are corrugated mailer boxes printed with your own artwork, logo and messages on the outside, the inside or both, sized to fit your products for posting. Businesses choose custom print mailer boxes because the parcel is often the first physical contact a customer has with an online brand, and a plain carton wastes that moment.

What custom print mailer boxes can do for an online brand

Print turns a protective box into a brand asset. The outside panel can carry your logo, a pattern or a short message that is visible in delivery photos and on doorsteps, while the inside lid is a private space the customer sees at the exact moment of opening. That inside panel is where thank you messages, care guidance, review requests and reorder prompts work hardest. Because a mailer box is a self contained structure with a hinged lid and locking flaps, print is not interrupted by tape across the top in the way it is on a standard taped carton.

Outside print, inside print or both

Outside only printing suits brands whose deliveries are handled by retailers or whose customers value discretion less than recognition. Inside only printing keeps the parcel plain in transit and surprises the customer on opening, which suits gift led brands and higher value goods. Printing both sides costs more in set up and coverage but gives the complete branded experience, and it is the choice most subscription brands make because the box itself becomes part of the product that members photograph and share.

Placing artwork on panels that stay visible

Keep the most important artwork away from folds, locking tabs and the areas where a postage label will sit. Labels usually cover part of one top panel, so place logos and key messages where a label cannot hide them. Ask for a design visual on the actual box structure before approving, because artwork that looks balanced when flat can sit very differently once the box is folded.

Materials and sizing for custom print mailer boxes

Mailer boxes are usually made from corrugated cardboard with a fluted middle layer that cushions contents and resists crushing. A lighter flute gives a smoother print surface and suits clothing, cosmetics and boxed goods, while a stronger board suits heavier or fragile products. Size the box to the product with its wrap or insert included, leaving little empty space so contents cannot move. Our cardboard mailer boxes and printed postal boxes show related formats, and self seal mailer boxes speed up packing where volumes are high.

Sizing for Royal Mail services

If you post with Royal Mail, design around its published formats before you fall in love with a box size. A small parcel can measure up to 45cm in length, 35cm in width and 16cm in depth and weigh up to 2kg, as set out in the Royal Mail guide to sending small parcels. Staying inside that band keeps postage predictable across thousands of orders. Slim products may fit large letter limits instead, which is why our custom mailer boxes for UK sellers are often specified alongside the carrier format they are meant to match.

Ordering printed mailers with confidence

Custom Postal Boxes manufactures in house in Wolverhampton, with free design support to place your artwork correctly on the box structure and free UK delivery on orders. Pricing depends on size, material and quantity and is given by quote, and low minimum order quantities let growing brands test a printed mailer before committing to large volumes. When you request a quote for printed mailer boxes, share product dimensions, the carrier you use and whether you want print inside, outside or both.

Before a full run, approve a visual proof carefully, checking spelling, logo position, colours against your brand palette and any wording on the inside lid. Consider one physical sample if colour accuracy is critical, because screens show colour differently from printed board, and kraft board will soften bright colours compared with a white board. Getting those checks done once means repeat orders stay consistent as your volumes grow.

FAQs about custom print mailer boxes

Can I print inside and outside a mailer box?

Yes. You can print on the outside only, the inside only or both sides. Inside printing is popular for thank you messages and reorder prompts seen at the moment of opening.

What are custom print mailer boxes made from?

They are made from corrugated cardboard with a fluted middle layer for cushioning and strength. Board grades vary, with lighter flutes giving a smoother print surface for lighter goods.

How do I choose the right size mailer box?

Measure your product with its wrap or insert included and choose a box with little empty space. If you use Royal Mail, also check the box against the small parcel or large letter limits.

Will my colours look the same on kraft and white board?

Not exactly. Kraft board softens and warms printed colours, while white board keeps colours brighter and closer to screen values. A sample is wise where colour accuracy is critical.

What is the minimum order for printed mailer boxes?

Low minimum order quantities are available. Pricing depends on size, material and quantity, so request a quote with your product dimensions for an accurate figure.