Queenie F.

Queenie F.

Queenie is the founder of Propack Solutions, a woman-owned sustainable packaging company based in Ontario, CA. With nearly a decade of experience in the packaging industry, she specializes in post-consumer recycled (PCR) materials, helping brands source rPET, PCR HDPE, and PCR PP packaging that meets regulatory requirements and sustainability goals.

Cap Liners and Pump Specs: How to Choose the Right Configuration

Cap Liners and Pump Specs: How to Choose the Right Configuration

Two of the most overlooked packaging specifications are the liner inside your cap and the dip tube configuration on your pump. Both have a direct impact on seal integrity, product waste, customer experience, and compliance requirements. Getting them wrong ...

Mar 16, 2026•Ten-minute read

How to Choose the Right Bottle Material: PET, PETG, HDPE, and LDPE

How to Choose the Right Bottle Material: PET, PETG, HDPE, and LDPE

The material your bottle is made from affects chemical compatibility, recyclability, clarity, flexibility, and how well it holds up to the formulas inside it. Choosing the wrong material can cause leaching, cloudiness, bottle deformation, or pump failure. ...

Mar 16, 2026•Seven-minute read

How to Choose the Right Bottle Volume

How to Choose the Right Bottle Volume

Choosing the right fill volume affects unit economics, repurchase rate, retail channel fit, and how your customer experiences the product over time. Too small and you lose margin on packaging cost per ounce. Too large and you increase barrier to trial and ...

Mar 16, 2026•Four-minute read

How to Choose the Right Bottle Color

How to Choose the Right Bottle Color

Bottle color does more than signal brand identity. It affects product stability, regulatory compliance, shelf differentiation, and sustainability positioning. This guide covers how to choose the right color for your bottles and what to expect when you move...

Mar 16, 2026•Six-minute read

How to Choose the Right Closure for Your Product

How to Choose the Right Closure for Your Product

Choosing the wrong closure costs you more than a bad customer experience. It can mean leaks in transit, wasted product, and returns that erode your margin. This guide covers every closure type Propacks carries and which applications each one is built for. ...

Mar 16, 2026•Six-minute read

How to Choose the Right Bottle Shape for Your Product

How to Choose the Right Bottle Shape for Your Product

The bottle shape you choose affects shelf presence, closure compatibility, fill line efficiency, and how customers interact with your product every day. This guide covers every plastic bottle shape Propacks carries and which applications each one is built ...

Mar 16, 2026•Seven-minute read

PCR Plastic for Cosmetics and Beauty Packaging

PCR Plastic for Cosmetics and Beauty Packaging

Post-consumer recycled (PCR) plastic is the leading sustainable choice for beauty and cosmetic packaging. PCR plastic is made from recycled materials that consumers have already used and discarded. The most common type for beauty bottles is rPET, or recycl...

Mar 14, 2026•Six-minute read

Is rPET Recyclable?

Is rPET Recyclable?

Yes, rPET is recyclable. The material, which stands for recycled polyethylene terephthalate, can be collected, processed, and remade into new products multiple times. Its ability to be recycled is a primary reason brands choose rPET for sustainable packagi...

Mar 13, 2026•Five-minute read

Is rPET Safe for Food and Beverage Packaging?

Is rPET Safe for Food and Beverage Packaging?

Recycled polyethylene terephthalate (rPET) is safe for food and beverage packaging. For rPET to be sold for food contact applications in the United States, its manufacturing process must be reviewed by the FDA. This stringent evaluation ensures the recycle...

Mar 13, 2026•Five-minute read

Is Sustainable Packaging More Expensive?

Is Sustainable Packaging More Expensive?

Yes, sustainable packaging can have a higher upfront cost than conventional options. The price of materials like post-consumer recycled (PCR) plastic is driven by complex collection, sorting, and manufacturing processes. While the initial investment may be...

Mar 13, 2026•Seven-minute read

Food Grade PCR Plastic Explained

Food Grade PCR Plastic Explained

Using Post-Consumer Recycled (PCR) plastic for food and beverage packaging is possible, but only specific materials from certified processes are safe and approved for food contact. Food-grade PCR is typically made from recycled PET (rPET) or recycled HDPE ...

Mar 12, 2026•Five-minute read

Pre-Consumer vs Post-Consumer Recycled Plastic

Pre-Consumer vs Post-Consumer Recycled Plastic

The difference between pre-consumer and post-consumer recycled plastic is its source. Post-consumer recycled (PCR) material is made from waste that a consumer has used and discarded in a recycling bin. Pre-consumer recycled (PIR) material, also called post...

Mar 11, 2026•Five-minute read

What Is PCR Packaging? A Guide for Brands and Buyers

What Is PCR Packaging? A Guide for Brands and Buyers

PCR packaging is everywhere right now. Brands across beauty, food, nutrition, and household goods are switching to it. But what exactly is PCR, and why does it matter? This guide breaks it down. What Does PCR Mean? PCR stands for post consumer recycled. ...

Mar 11, 2026•Six-minute read

rPET Bottles Explained: Why More Brands Are Going Recycled

rPET Bottles Explained: Why More Brands Are Going Recycled

rPET bottles are one of the most practical sustainability upgrades a brand can make. They look and perform like standard PET bottles. They are made from material that already existed. And they are increasingly required by law. Here is everything you need t...

Mar 11, 2026•Seven-minute read

Bottle Neck Finish Guide: How to Choose the Right Size for PCR Bottles and Caps

Bottle Neck Finish Guide: How to Choose the Right Size for PCR Bottles and Caps

When you order PCR bottles, one spec causes more compatibility problems than any other: the neck finish. Get it wrong and your caps will not seal. Get it right and everything fits, seals, and ships cleanly. This guide explains what neck finish means, cover...

Mar 10, 2026•Eight-minute read

PCR Bottles vs Virgin Plastic: What's the Actual Difference?

PCR Bottles vs Virgin Plastic: What's the Actual Difference?

The way brands think about plastic has changed. New state mandates, investor pressure, and consumer expectations that go far beyond "recyclable" labels are pushing packaging buyers into decisions their predecessors never faced. The most common question in ...

Mar 9, 2026•Seven-minute read

Plastic Code #6: What PS Means for Packaging

Plastic Code #6: What PS Means for Packaging

If you evaluate packaging materials, you may encounter products labeled with plastic recycling code #6. This code refers to PS, or polystyrene, a plastic used in both rigid packaging and lightweight foam products. Polystyrene is valued for its clarity, ri...

Mar 9, 2026•Three-minute read

Plastic Code #5: What PP Means for Packaging

Plastic Code #5: What PP Means for Packaging

If you evaluate packaging materials, you may encounter products labeled with plastic recycling code #5. This code refers to PP, or polypropylene, a plastic widely used in food packaging, closures, and durable consumer containers. Polypropylene is valued f...

Mar 9, 2026•Three-minute read

Plastic Code #4: What LDPE Means for Packaging

Plastic Code #4: What LDPE Means for Packaging

If you evaluate packaging materials, you may encounter products labeled with plastic recycling code #4. This code refers to LDPE, or low-density polyethylene, a plastic commonly used for flexible packaging and thin films. LDPE is widely used in packaging ...

Mar 9, 2026•Two-minute read

Plastic Code #3: What PVC Means for Packaging

Plastic Code #3: What PVC Means for Packaging

If you evaluate packaging materials, you may encounter products labeled with plastic recycling code #3. This code refers to PVC, or polyvinyl chloride, a plastic used in a variety of industrial, construction, and specialty packaging applications. PVC is v...

Mar 9, 2026•Three-minute read

Plastic Code #2: What HDPE Means for Packaging

Plastic Code #2: What HDPE Means for Packaging

If you evaluate packaging materials, you will often encounter products labeled with plastic recycling code #2. This code refers to HDPE, or high-density polyethylene, one of the most widely used plastics for rigid containers and household packaging. HDPE ...

Mar 9, 2026•Three-minute read

Plastic Code #1: What PET Means for Packaging

Plastic Code #1: What PET Means for Packaging

If you evaluate packaging materials, you will often encounter products labeled with plastic recycling code #1. This code refers to PET, or polyethylene terephthalate, one of the most widely used plastics in consumer packaging. PET is especially common in ...

Mar 9, 2026•Three-minute read

Plastic Code #7: What “Other” Plastics Mean for Packaging

Plastic Code #7: What “Other” Plastics Mean for Packaging

If you evaluate packaging materials, you may encounter products labeled with plastic recycling code #7. Unlike common plastics such as PET (#1) or HDPE (#2), code #7 represents a category known as “Other” plastics. This classification includes materials t...

Mar 6, 2026•Three-minute read

How to Transition to rPET Bottles Under California SB 54

How to Transition to rPET Bottles Under California SB 54

If you sell packaged products in California, SB 54 is pushing packaging toward formats that are recyclable in practice and measurable in reporting. SB 54 creates an extended producer responsibility program for packaging and plastic food service ware, and C...

Mar 5, 2026•Five-minute read

Where to Recycle Plastic Bottles Near You (California Guide)

Where to Recycle Plastic Bottles Near You (California Guide)

Where to Recycle Plastic Bottles in California If you want plastic bottles to actually be recycled, the most reliable option is to bring them to certified recycling locations. California has several systems that allow residents to find nearby recycling ce...

Mar 5, 2026•Two-minute read

What Is rPET?

PCR PlasticRecycling

What Is rPET?

rPET is one of the most widely used recycled materials in packaging today. If you have seen a bottle labeled with recycled content or a sustainability claim, there is a good chance it was made with rPET. This guide explains what rPET is, how it is made, an...

Mar 4, 2026•Three-minute read

How to Verify If Your Plastic Bottle Is Actually Recyclable

How to Verify If Your Plastic Bottle Is Actually Recyclable

A recycling symbol does not automatically mean a plastic bottle will be recycled. The number inside the triangle is a resin identification code created to help manufacturers identify plastic type. It was not designed to guarantee recyclability. Whether a ...

Mar 2, 2026•Four-minute read

How Many Times Can rPET Be Recycled?

How Many Times Can rPET Be Recycled?

As more brands shift to sustainable packaging, one question comes up repeatedly: Can rPET be recycled indefinitely? The short answer is no. While rPET can be recycled multiple times, mechanical recycling gradually changes the material at a molecular leve...

Mar 1, 2026•Six-minute read

Plastic Recycling Codes 1–7: What They Mean for Packaging

Plastic CodeRecycling

Plastic Recycling Codes 1–7: What They Mean for Packaging

Every plastic container, bottle, and bag carries a small number inside a triangle. That number is a resin identification code (RIC). It tells you what kind of plastic the item is made from. It does not tell you whether your local recycler accepts it. Under...

Feb 27, 2026•Six-minute read

PCR Plastic Bottles and Sustainability: What Businesses Should Know

PCR Plastic Bottles and Sustainability: What Businesses Should Know

If you are searching for sustainable packaging, PET containers, or recycled plastic bottles for your brand, PCR plastic is likely part of your evaluation process. Recycled content packaging is becoming a practical requirement for beauty, wellness, and hom...

Feb 26, 2026•Three-minute read

Understanding Sustainable Plastic Packaging

SustainabilityPCR Plastic

Understanding Sustainable Plastic Packaging

Sustainable packaging does not mean eliminating plastic. It means designing and using plastic more responsibly. At ProPacks, sustainability begins with understanding how material selection, manufacturing efficiency, and recyclability work together. Modern...

Jan 15, 2026•Six-minute read

Expanding Our PCR Plastic Packaging Program

SustainabilityPCR Plastic

Expanding Our PCR Plastic Packaging Program

We are expanding our sustainable packaging program by offering Post-Consumer Recycled (PCR) plastic across our bottle, jar, and closure product lines. This step reflects our commitment to reducing environmental impact while maintaining structural strength...

Aug 25, 2025•Three-minute read