Custom Letterbox

Eco-friendly materials available
Fully customizable sizes, finishes, and inserts
Ideal for postal box packaging, mailer box designs, and retail-ready shipments

Make your brand stand out — even in the mailbox.

Custom Letterbox Packaging – Compact, Branded & Mailbox-Friendly

Deliver your products securely and stylishly with our custom letterbox packaging, designed to fit through standard mail slots without compromising presentation or protection. Perfect for eCommerce brands, subscription services, and promotional campaigns, these letterbox mailer boxes offer a smart, cost-effective way to ship products directly to customers — no doorbell required.

Crafted from durable corrugated cardboard, rigid board, or eco-friendly kraft, our packaging is lightweight, structurally sound, and fully customizable. Add your logo, brand colors, product details, or QR codes using chemical-free, long-lasting inks and finishes like matte, gloss, or soft touch. Whether you’re mailing clothing, documents, accessories, or cosmetics, we tailor each box to your product’s exact dimensions and your brand’s unique identity.

Why Choose YiHongBox?

YiHongBox Box Packaging is your one-stop solution for fully customized packaging—offering end-to-end services to bring your unique packaging vision to life.

Structural Design Support

From concept to prototype

Premium Print Quality

Certified equipment, precise color

Sustainable Materials

FSC, Soy Ink, Recyclable Paper

Fast Sampling & Delivery

Samples in as fast as 7 days

Frequently Asked Question

Custom letterbox packaging is designed to fit through standard mail slots, making it ideal for shipping products like clothing, books, documents, or small gifts without requiring customer signature or home presence.

Lead time typically ranges from 10–15 business days after artwork approval. Urgent orders can be expedited upon request.

Our standard MOQ for custom mobile battery packaging starts at 500 units. Bulk orders benefit from tiered pricing.

Absolutely! We offer full printing customization, including logos, patterns, QR codes, and product details, with finishes like matte, gloss, foil stamping, or embossing.

Letterboxes are slimmer and specifically designed to pass through standard mail slots, reducing missed deliveries and lowering shipping costs.

Letterboxes are slimmer and specifically designed to pass through standard mail slots, reducing missed deliveries and lowering shipping costs.

Rigid

A thick and sturdy chipboard known for its premium quality and durability. It is used for luxury packaging and high-end product displays

Cardboard

A durable and lightweight paperboard material. It can have a clay-coated surface on one or both sides for enhanced printability.

Corrugated

A strong and lightweight material with a fluted inner layer for added durability and cushioning. Perfect for shipping and product protection.

Kraft

A strong, eco-friendly, unbleached kraft paperboard made from wood pulp. It has a natural brown color, making it ideal for sustainable packaging.

Aqueous

Water-based coating offers environmental friendliness and fast drying.

Glossy

A shiny and vibrant finish thatenhances color depth andcontrast,making designs pop.

Soft-Touch

A velvety, premium finish that
adds a luxurious feel while
providing a subtle matte
appearance.

Matte

A highly reflective coating gives a shiny, polished appearance.

Hot Foil Stamping

Form of relief printing in which foil is transferred to a surface at high temperatures.

Embossing

Creates a raised, textured effect on paper or cardstock.

Debossing

Creates a depressed, indented effect on paper or cardstock.

Window Patching

Die-cut shape is layered with plastic film to feature a window showcasing the product inside.

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