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National is proud to introduce its new 12 Pack Golf Ball Clam Shell.


New stock clamshells for cellular phone accessories.


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Clamshell Packaging, Stock Clamshells, Blister Packs & More

If you require clamshell packaging, a blister pack, a plastic tray, or any other custom thermoformed package, National Plastics, Inc. exists to make your life easier. Our extensive line of StockClam clamshells fit a variety of products and are available in small quantities for immediate shipment.

Clamshell Packaging

From custom tri folds and clam shell trays to stock clamshells for all types of applications.

Stock Clamshells

No tooling costs and short lead times. Choose from numerous sizes.

Clamshells from
Stock Mold Bases

Create your own custom clamshell while only paying for the mold insert.

Blister Packs

Inexpensive packaging for high volume applications.


Custom medical trays, shipping trays, and packaging inserts.



Make your product stand out with a custom packaging design.


At National Plastics,
we take the mystery out of the design process by learning your application thoroughly and recommending the best design. We keep it simple and economical.

Our quote will feature the legendary National "no frills, low overhead" pricing. Your profit margins will increase.

At National, quality is religion. Whether we are designing simple blister packs or a complicated tri-fold clamshell, you can rely on our years of engineering experience to provide a package that both looks good and functions well.

Whether we design a new mold or utilize one of our stock clamshells, delivery is prompt.

We are dedicated to making your life easier. Please call us with your specific packaging needs and let us go to work for you.

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National Plastics, Inc.
2050 Congressional Drive • St. Louis, MO 63146
Tel: 636.282.6800 • Toll Free: 800.949.1141
FAX 636.282.6888