Postage Boxes
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Postage Boxes – Ship Smarter, Save More, Stay Protected
At UBox Packaging, we make mailing simple with custom postage boxes that deliver durability, convenience, and branding all in one. Whether you’re shipping ecommerce orders, subscription kits, or personal gifts, our postage-ready boxes are designed for fast, flat-rate shipping—built to match USPS standards and built to perform.
Perfect for USPS Flat Rate & Priority Mail
From small flat rate boxes to large flat rate box postage options, we offer packaging that pairs perfectly with USPS guidelines:
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Prepaid postage boxes USPS – Save time with ready-to-ship formats
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Priority Mail small, medium, and large flat rate boxes for predictable costs
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Designed for fast drop-offs at postage drop box near me or USPS locations
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Compatible with first-class postage box and medium flat rate box postage setups
Whether you’re mailing daily or once in a while, our flat rate postage boxes help you ship without the guesswork.
Sized Right, No Matter the Shipment
We manufacture all the standard USPS-compatible sizes—and more:
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Small box postage options for jewelry, samples, and accessories
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Medium flat rate priority box postage for apparel, electronics, and books
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Large postage boxes for shoes, gear, or bulkier items
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Need something unique? We also do custom postage boxes and bulk postage boxes on request
Don’t guess which postage box sizes you need—we’ll guide you based on your exact product and shipping plan.
Custom Printing for Professional Shipping
Turn every package into a brand-building opportunity. With custom postage box packaging, you get:
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High-resolution logos, taglines, QR codes, or return instructions
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Matte or gloss finishes, inside printing, or kraft-look eco styles
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Print your branding across USPS flat rate boxes postage cost equivalents and still save
From prepaid postage boxes to postage packaging boxes sold in bulk, every box becomes part of your customer’s unboxing experience.
Eco-Friendly & Postal-Compliant
Every one of our postage boxes is:
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Recyclable and eco-conscious
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Built strong to meet USPS postage box handling standards
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Designed to keep your items safe and secure in transit
We also offer recycled postage boxes, cardboard boxes for postage, and first-class package postage box options for lightweight and green-conscious shipping.
What You Get with UBox Packaging
We don’t just deliver boxes—we deliver results.
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Free USA Shipping on qualifying orders
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Free Design Support to help you get the perfect layout for your postage label placement
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Durable builds for national and international shipping
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Quick turnarounds so you stay on schedule
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Nationwide service – we’ll guide you if you’re searching for postage boxes near me or need help choosing the right fit
Whether you’re mailing a single item or sending thousands, UBox Packaging has the box—and the support—you need.
