In Stock
Custom Blue Mailer Boxes

Custom Blue Mailer Boxes

Starting From

$0.53/Qty

Stand out with Custom Blue Mailer Boxes! These strong and stylish boxes are perfect for shipping clothing, beauty items, gifts, and more. The bold blue color adds a fresh, professional look to your packaging. Made from durable corrugated cardboard, they keep your products safe during delivery. Customize with your logo, design, or message to match your brand and grab attention. Choose from matte or glossy finishes to fit your style. Great for e-commerce, retail, and subscription boxes. Fast turnaround, low minimums, and wholesale pricing available. Click now to design your custom blue mailer boxes today!

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    Customers Feedback
    Emily J.
    3 Days ago
    Truly eco-conscious and beautifully made!

    We’ve switched all our eCommerce packaging to Packaging Castle and couldn’t be happier. The boxes are 100% recyclable, and our customers always compliment the design. It’s rare to find a company that’s both stylish and sustainable. Highly recommend!

    Mark D
    3 Days ago
    Perfect solution for sustainable branding

    As a small business owner trying to go green, I was thrilled to find Packaging Castle. They designed custom eco boxes that match our brand perfectly, all made from biodegradable materials. Their packaging looks premium and supports our sustainability goals.

    Lisa C.
    3 Days ago
    Fast, friendly, and environmentally responsible

    We received our order of compostable mailers from Packaging Castle, and they are amazing! The print quality is sharp, and knowing they’re eco-friendly adds so much value. Their team helped us every step of the way—great experience!

    Brian M.
    3 Days ago
    Exceptional quality and sustainable design

    Packaging Castle exceeded expectations. We ordered custom Kraft boxes for our handmade products, and the result was beautiful. They use recyclable materials and eco inks, which helps boost our green business credibility.

    Olivia R.
    3 Days ago
    Eco-friendly packaging that stands out

    I love the fact that I can promote my business and protect the environment at the same time. The boxes from Packaging Castle are stunning, sturdy, and sustainable. Couldn’t ask for more!

    Daniel S.
    3 Days ago
    Game-changer for green businesses

    If your brand cares about sustainability, Packaging Castle is the partner you need. Their biodegradable and recyclable packaging helped us cut waste while enhancing our product presentation. Plus, their customer service rocks.

    Jennifer L.
    3 Days ago
    Reliable, responsive, and eco-certified

    This company walks the talk when it comes to eco packaging. We ordered custom food-safe boxes and they arrived quickly, looking fantastic and made from sustainable materials. I appreciate their transparency and values.

    Kevin W.
    3 Days ago
    Custom boxes that care for the planet

    From the recycled cardboard to the plant-based inks, everything Packaging Castle offers is genuinely sustainable. It’s helped elevate our brand and show our customers we care about the environment.

    Amelia Scott
    7 Days ago
    Rachel T.

    We were looking for premium-looking eco-friendly packaging and found the perfect solution with Packaging Castle. Our branded boxes are clean, sharp, and made from compostable materials. Customers keep raving about them!

    Jason H.
    8 Days ago
    Finally, packaging that matches our mission

    Packaging Castle has helped us align our product line with our environmental values. The team worked closely with us to create custom designs using eco-conscious materials. We’re proud to support a company that truly cares.

    Customers Feedback

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    Product Description

    Custom Blue Mailer Boxes – Cool, Strong & Brand-Ready

    Want to ship your products in packaging that looks clean and professional? Custom Blue Mailer Boxes are a great way to make your brand stand out. Whether you’re mailing clothes, books, gifts, or gadgets, these sturdy boxes keep your items safe and add a bold touch of style.

    Blue is a color that stands for trust, calm, and strength—perfect for showing your brand means business.

    What Are Blue Mailer Boxes?

    Blue mailer boxes are strong, foldable boxes made from corrugated cardboard. These boxes are perfect for shipping small to medium items safely while giving your package a clean, stylish look. The blue color makes your box pop and helps it stand out from regular brown or white packaging.

    Our custom blue mailer boxes can be fully personalized with your logo, patterns, messages, or design. From light sky blue to deep navy, we can match the shade that fits your brand best.

    Perfect for:

    • Subscription boxes
    • Online store orders
    • Gift and promo packaging
    • Product samples
    • Event giveaways

    Show Off Your Brand with Custom Printing

    Your packaging tells a story. With custom blue mailer boxes, you get to share your brand’s look and message before the box is even opened.

    Here’s what you can customize:

    • Box size – Fit your product perfectly
    • Print outside & inside – Add designs, logos, or fun messages
    • Shades of blue – From soft pastels to bold navy
    • Finishes – Matte, gloss, or soft-touch options
    • Special features – Embossing, foil, spot UV, and more
    • Eco-friendly options – Made with recyclable materials

    Want to surprise your customers? Add printing inside the box to create a fun unboxing experience.

    Why Choose Custom Blue Mailer Boxes?

    Choosing the right packaging can help you build trust and create happy customers. Blue mailer boxes are not only good-looking—they’re strong, secure, and easy to use.

    Benefits of blue mailer boxes:

    • Professional appearance – Blue gives a calm and clean feel
    • Strong and reliable – Protects products during shipping
    • Custom branding – Make your business stand out
    • Customer-friendly – Easy to open and fun to unbox
    • Cost-effective – Lightweight and helps reduce shipping costs
    • Earth-friendly choices – Ask us about green packaging options

    Whether you’re a small business or a growing brand, these boxes give you the look and quality you need.

    Order Your Custom Blue Mailer Boxes Today

    Ready to ship your products with style and strength? Our custom blue mailer boxes are the perfect way to impress customers and protect your items. We make it easy to design and order your boxes—with fast quotes, expert help, and low minimums.

    Why choose us?

    • Full-color blue printing
    • Custom sizes and finishes
    • Fast production and delivery
    • Eco-friendly packaging available
    • Free design support
    • Low minimum order quantities

    Let’s give your packaging a bold, blue upgrade! Contact us today to get a free quote or request a sample. We’re here to help you design custom blue mailer boxes that look great, ship safe, and show off your brand.

    Product Specification
    Specifications Details
    Dimensions All Custom Sizes & Shapes
    Printing CMYK, PMS, No Printing
    Paper Stock 10pt to 28pt (60lb to 400lb) Eco-Friendly Kraft, E-flute Corrugated, Bux Board, Cardstock
    Quantities 100 - 500,000
    Coating Gloss, Matte, Spot UV
    Process Die Cutting, Gluing, Scoring, Perforation
    Options Custom Window Cut Out, Gold/Silver Foiling, Embossing, Raised Ink, PVC Sheet
    Proof Flat View, 3D Mock-up, Physical Sampling (On request)
    Turn Around Time 4-6 Business Days, Rush
    Cardboard

    Cardboard

    We use cardboard material with the least environmental impact and minimizes waste generation.

    Kraft

    Kraft

    Kraft paper is a strong, durable and reliable material that is widely used across many different industries.

    Rigid

    Rigid

    Rigid is highly protective, affordable and recyclable material. These boxes provide maximum protection.

    Corrugated

    Corrugated

    Corrugated material is easy to customize, cost effective and sustainable. It is also great for branding purposes.

    Foil Stamping

    Foil Stamping

    Decorate a wide range of your product packaging with our foil stamping.

    Spot UV

    Spot UV

    Our high-gloss UV coating gives light and shine to cure the printed material's varnish.

    Gloss

    Gloss

    Our glossy finishing gives your packaging an extra layer of shine.

    Holographic Foiling

    Holographic Foiling

    Holographic foil diffracts light and reveals the colors of the rainbow at various angles.

    Embossing

    Embossing

    With our embossing technique, we transfer the finest details of your product on packaging.

    Debossing

    Debossing

    We use debossing technique to add unique graphics into your packaging.

    Matte

    Matte

    With our matte finish, fingerprints and smudges will now be less visible on the packaging.

    Soft Touch Lamination

    Soft Touch Lamination

    We add additional layer of protection with soft touch lamination from toner chipping.