10" x 13" Approved Postal Bags

Manufacturer of Flexible Packaging

Our Refined Custom Manufacturing Process Saves You Time & Money! With over half century of business service.

Custom Capabilities

Custom Packaging Your Way! We invite you to browse through our custom packaging categories below. Discover the many custom poly bag, sheeting and film capabilities that International Plastics can offer your business.

9000+ Items In-Stock

Most stock orders placed by 3:00pm EST ship the very same day. UPS Ground Service will deliver your order in as little as 1 business day. If your order requires faster service, just let us know. Some larger orders may require LTL truck shipping.

2 Hours of Free Art Time

Have an idea but no artwork? No Problem! Our in-house creative department will go to work making your ideas come to life. You’ll receive 2 Free Hours of Artwork time on your order! A $150 Value! This offer excludes any plate costs.

Low Price Guarantee!

We continually compare prices throughout the industry and we’re confident our prices are the best you’ll find. We’ll meet or beat any total order price for the identical product and quantity. Some competitors, including Amazon, offer Free Freight however the freight costs are padded back into the price of the product.

100% Satisfaction Guarantee!

If for any reason you’re not 100% satisfied with your poly bag order, please contact our Customer Service Department within 30 days. We’ll help you arrange the return and provide a replacement, a credit to your account, or a full refund. In some cases, non-defective returns are subject to a 15% restocking fee.

30-Day Returns & Exchanges!

At Interplas.com, we prioritize your satisfaction and believe in the quality of our products. Recognizing the importance of a hassle-free shopping experience, we proudly offer a 30-day returns and exchanges guarantee. If, for any reason, the product you purchased doesn't meet your expectations, you have an entire month to decide if you'd like to send it back. Whether it's a return for a full refund or an exchange for a more suitable item, we've got you covered. Shop confidently, knowing we stand firmly behind our commitment to your satisfaction.