Frequently Asked Questions

Answers to Commonly Asked Questions

Do you offer custom packaging?

Yes, we can help you design custom pulp packaging for your product. Please refer to the custom information regarding minimum order quantities and lead times.

Is SPI’s pulp packaging available in different colors?

No, SPI’s stock packaging is only available in one color based on the raw materials. We do not bleach or dye the pulp. For custom packaging, the options are white, grey or natural tan, also based on the raw materials.

Can you print on the packaging?

SPI does not offer printing, but you can contact your local printer to inquire about pad printing and screen printing options. Oliver Brinn Letterpress can also help you with printing projects.

How do you close the GreenKraft clamshells?

The GreenKraft clamshells do not have a latch. To secure we suggest using wrap around sleeves, labels, ribbon, rubber bands or glue. Please refer to our Design Tips.

Can we add our logo to the GreenKraft clamshells?

Yes. We offer a Semi-Custom option if you want to add your custom logo or window to our stock GreenKraft clamshells. Please refer to the semi-custom information regarding minimum order quantity, tooling costs and lead times.

Do you provide paper sleeves or belly bands?

Yes! We have a selection of sleeves & belly bands available.  Please contact us about custom sizes or shapes. You can also contact your local printer.

Can I suggest a new GreenKraft clamshell size?

Yes, we appreciate your suggestions. If you would like to suggest a new size or shape please email

Can you recycle pulp packaging?

Yes! You can easily recycle our molded pulp packaging with paper and cardboard packaging via residential and commercial recycling service.

What is pulp package made from?

Most of SPI’s packaging is made from post-industrial paper and cardboard. Read more.

Can I order samples?

Yes, we sell sample packs for the GreenKraft Clamshells and the Inserts. The clamshell packs include various sizes for test fitting with your products.

Can I order online?

Yes, you can order online. Please visit our online store. If you have a special request we can send you an invoice with a payable link.

Do you sell full cases?

Yes, we sell small sets and full cases of all our GreenKraft clamshells.

Do you offer volume discounts?

Yes, we offer volume discounts starting at 10 cases and up to millions of units. Please contact us for a quote.

What carrier do you use for shipping ?

We ship via FedEx Ground and USPS for most orders. Contact us to request special shipping.

Do you ship internationally?

Yes, we do ship internationally although it is expensive. Please request a quote.

Do you accept returns?

Yes, you may return unused & unopened product. We do not refund shipping. We charge a 10% re-stock fee. Contact SPI for a RMA number prior to returning your order.

Do you have a mailing list?

Yes, please sign up to receive News & Updates.

Where can we learn more about SPI?

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