Poly Bags Guide: Types, Materials, and Sizes - Complete Guide

Poly Bag Types: Flat or Gusseted? 

Aside from material, bag type is another important consideration. Poly bags are available in both flat and gusseted designs. 

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• Flat Poly Bags. As their name suggests, flat poly bags are made from seamless tubing that allows them to lay completely flat when empty. These bags can accommodate many commercial and consumer packaging applications ranging from food items to manufacturing components.
• Gusseted Poly Bags. Gusseted bags are designed to expand, with extra panels giving these bags a rectangular shape when full. Gusseted bags are ideal for packaging bulkier items. They are also useful for packaging smaller components as gusseted bags fit more product than similarly-sized flat bags, making them more efficient to store or ship.

The team at Universal Plastics can help you decide which type of poly bag is best for your application.

What Size Poly Bag Do You Need?

Once you’ve decided on a type of poly bag, you’ll need to measure your product to determine the necessary dimensions. If you’ve chosen a flat bag, you simply need to choose the right dimensions for length by width. Consider the size of each component and the number of components you intend to place in a bag. For volumes with very small products, consider the overall volume of product that should go in each bag, then calculate the dimensions that would accommodate that volume.  It’s important to size up to account for imprecision and to allow room between components. 

For a gusseted bag, calculate the desired volume in the same way, but treat the bag as a rectangular prism when translating the desired volume to dimensions. While you should still add a bit to your measurements to ensure the bags have adequate room, the depth and shape of gusseted bags make it easier to get a close and accurate fit.

If your calculations reveal a need for a non-standard size, Universal Plastics can still help. As an industry leader in poly bags, we are happy to accommodate custom orders.

Common Applications

Poly bags are used to pack, store, and ship items of all kinds. 

• Food Packaging. FDA-approved, food-safe poly bags keep foods fresh and prevent moisture or contamination. At the same time, they offer a simple and attractive way to display bakery items, produce, and bulk foods, especially when printed with custom branding elements.
• Hardware Packaging. Small poly bags are an excellent, see-through solution for organizing hardware of different sizes or shapes. These packages are especially useful when shipping products with assembly requirements.
• Bulk Packaging. Thin, plain bags are a cost-effective option for vendors that sell bulk goods of any kind. Applications range from single-use bags for bulk grocery customers to sturdier bags that contain pounds of animal feed.

Poly bags can also protect, contain, and display non-food items of all types, including clothing, office supplies, home goods, and more.

Custom Printed Poly Bags at Universal Plastic

Custom printed poly bags help brands stand out with colorful prints and logos, as well as nutrition facts or other specifications. At Universal Plastic, we offer custom printing on clear poly bags of all shapes and sizes, making it easy for clients to both attract customer attention and comply with labeling regulations.

Why Choose Universal Plastic as Your Custom Poly Bag Manufacturer?

Universal Plastic offers an extensive range of standard and custom poly bags, including:

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Animal feed bags—also known as animal feed sacks or feed packaging—are essential for storing and transporting various types of animal feed. They come in various sizes and materials.

This guide will help you choose the most suitable animal feed bags for your needs.

Animal Feed Bag Basics

Animal feed bags are typically constructed from woven polypropylene. Polypropylene is a strong, lightweight, and cost-effective plastic material that offers several benefits.

For more information, please visit Yifu Packaging.

1, polypropylene bags can withstand significant weight and resist tearing or puncturing.

2, they offer a good barrier against moisture, protecting feed from spoilage due to humidity. 

3, they can be laminated with additional materials for enhanced moisture resistance or come with features like self-standing block bottoms for easier handling. [1] 

Choosing the Right Animal Feed Bags

When buying animal feed bags, consider, first of all, the size. The bag size should be appropriate for the amount of feed you need to store or transport. Animal feed bags typically range from small bags for pet food to large bulk bags for commercial farms. 

The material also matters. While polypropylene is the most common material, some feed may require specialized bags with additional moisture barriers or features.

Also, consider features like self-standing bottoms for easier handling, resealable closures for portion control, or degassing vents for certain types of feed. [2] 

When picking an animal feed supplier, think of delivery options as well. Does the feed bag supplier offer delivery options? If not, you will have to add it to your cost decision. Large bulk bags may require specific delivery equipment.

Some suppliers may have minimum order quantities, especially for custom-printed bags. Be sure this aligns with your needs to avoid overstocking.

Depending on the customization level or bag size, there may be lead times for production. Factor this in when planning your feed purchases. 

Finding The Right Bag for Your Needs

Ready to find the perfect animal feed bag for your needs? Contact Xifa Group today to discuss custom options and receive a competitive quote.

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Animal Feed Bag FAQs

• 1. Are there any reusable animal feed bags?

  While some polypropylene feed bags can be sturdy enough for multiple uses, they are typically designed for single-use applications. Reusable options include heavy-duty fabric feed bags or repurposing feed bags for non-food storage.
  

• 2. How can I dispose of animal feed bags responsibly?

  Many polypropylene feed bags can be recycled in designated plastic recycling programs. Check with your local recycling provider for specific instructions. [3]
  

• 3. Can I customize animal feed bags with my brand logo?

  Yes, many animal feed bag manufacturers offer custom printing options to include your brand logo, feeding instructions, and other relevant information.
  

  For more PP bags manufacturers(ko,cs,ja)information, please contact us. We will provide professional answers.

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