Ship Your USPS Soft Packs with Shippo and
Receive up to 79% off!

The best USPS shipping software for e-commerce businesses that want the lowest-possible USPS shipping rates for soft packs.

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Discounted Soft Pack Shipping Rates For E-commerce Businesses

Shippo’s best-in-class shipping software helps you save up to 79% off when you ship your e-commerce goods using poly mailers. Simply sign up, connect your store, compare real-time rates, and start printing discounted labels. Manage all of your orders in one place with Shippo.

You can also connect your own account for 85+ other carriers with our shipping software, so you can compare rates for every package.

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USPS Soft Pack Saves The Day

USPS Soft Pack is a subset of USPS Priority Mail Cubic geared toward envelopes and poly mailers. Since the rate is based on the size of the package instead of the weight, small, heavy items will see the biggest cost savings.

What’s more, you can measure the bag, envelope, or poly mailer before you put the contents inside, for even lower rates.

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What's My Soft Pack Pricing?

To ship via USPS Soft Packs with Shippo, find the Package Info section of the label creation flow. Under Carrier Provided Parcels, select Soft Pack. Please note: you’ll want to use your own packaging to qualify for these rates.

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Supported USPS Service Levels
  • First Class Package Service®
  • First Class Package International Service®
  • Priority Mail®
  • Priority Mail Cubic®
  • Priority Mail International®
  • Priority Mail Express®
  • Priority Mail Express International®
  • Parcel Select Ground® (Nonpresort)
  • Address Validation®

Why Shippo?

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The Best USPS Rates

Instantly get the lowest-possible USPS shipping rates. Plus, compare rates for 85+ carriers at once.

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Easy-to-use Web App

Easily manage all of your carriers, shipping operations, and integrations from our user-friendly web app.

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Shareable Tracking

Automatically email tracking information to customers so they know when to expect a package delivery.

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Automatic Syncing

Integrate Shippo with your e-commerce platform or marketplace to seamlessly pull in orders to fulfill.

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Hassle-free Returns

Create return labels for packages whether or not the outbound label was generated using Shippo.

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Address Validation

Validate your delivery addresses to make sure the package arrives at its rightful destination.

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Package Insurance

Protect your bottom line in the unlikely event something happens to your package.

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At-a-glance Analytics

Access an at-a-glance view of your shipping spend, efficiency, and history.

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Everything you need for professional-grade shipping + deep discounts from top carriers.
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