✦Author

Queenie Fong

Queenie Fong 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.

§80 articles

Articles

Tamper-Evident Packaging for Cosmetics: Choosing the Right Seal

¶Packaging Basics

Tamper-Evident Packaging for Cosmetics: A Guide to Shrink Bands, Induction Seals, and Breakaway Caps

Why Tamper Evidence Matters for Cosmetics Cosmetic brands face a dual packaging problem. They need to show a shopper that a product has not been opened before purchase, while also protecting the formula through filling, transit, and storage. A tamper-evid...

Queenie Fong

Articles

Tamper-Evident Packaging for Cosmetics: A Guide to Shrink Bands, Induction Seals, and Breakaway Caps

How to Start a Skincare Line: Cost, Licensing, Packaging, and First Order Checklist

Is PET Plastic Safe for Skincare? What Brands Need to Know About Material Safety and Compatibility

Private Label Skincare: The Complete Guide to Formulas, Packaging, and MOQ

Bottle Decoration Methods: Silk Screen, Hot Stamp, Labels

Chemical Compatibility Testing for Plastic Bottles

China Tariff Update: What Plastic Packaging Buyers Need to Know Before November

How to Read a Packaging Quote: Line Items, Hidden Costs, and What to Negotiate

Your Packaging RFQ: A Template and Checklist for Brands

Domestic vs. Overseas Packaging Suppliers: A Comprehensive Guide for Brands

A Complete Guide to Requesting and Testing Packaging Samples

PET, PP, and HDPE Bottles: The Essential Packaging Material Guide

mL to Oz Conversion for Bottles: Beauty and Personal Care Sizes

5 PCR Procurement Mistakes That Cost Brands Money (and How to Avoid Them)

Walmart WFS Packaging Requirements for Bottles: What Sellers Actually Need to Know (2026)

Amazon FBA Packaging Requirements for Bottles: What Sellers Actually Need to Know (2026)

rHDPE Bottles Explained: What They Are, How They Are Made, and Why Brands Are Switching

rPET Bottles Explained: What They Are, How They Are Made, and Why Brands Are Switching

How PCR Plastic Is Made: The Full Lifecycle From Curbside Bin to Bottle to End of Life

How to Choose a Packaging Supplier for Your First Product Line

Travel Size Bottles: TSA Rules, Sizes, and What You Need to Know

m vs mm vs mL vs mil: What Do They Mean in Packaging?

CC vs ML: Are They the Same Thing?

What Is Delta E and Why Does It Matter When You Order Bottles

How Much Does Packaging Actually Cost Per Unit? A Breakdown for Indie Brands

The Real Cost of Switching Packaging Suppliers (And Why It Is Probably Lower Than You Think)

Why Foamer Pumps Don't Fit Regular Bottles: A Guide

Packaging Lead Times Explained: From Sample to First Full Order

How to Choose Packaging for Your Supplement Brand

Pump Output Sizes Explained: How to Pick the Right cc per Stroke

Tariffs, War, and Resin Prices: Why Packaging Costs Are Impossible to Predict in 2026

Closure Torque: Why Your Caps Leak or Will Not Open

Every Packaging Component You Need to Launch a Beauty Product

Label Compliance Checklist: What FDA, CPSC, and FTC Require on Your Packaging

How to Spot Bottle Defects Before They Ruin Your Product Launch

Cap Liner Types Explained: Foam, Pressure Sensitive, and Heat Induction

CalRecycle Approves SB 54 Regulations: What Packaging Brands Need to Do Before June 1

Why We Sell 200 Bottles When Nobody Else Will

Oz to ML Conversion for Bottles: Beauty and Personal Care Sizes

How Many Bottles Fit on a Pallet? A Guide for Beauty and Wellness Brands

Bottle Neck Finish Guide: How to Choose the Right Size for Your Product

How the Iran War Is Reshaping Plastic Packaging Prices in 2026

What Is PCR Packaging? Post-Consumer Recycled Plastic Explained

Is Sustainable Packaging More Expensive? The Real Cost Breakdown

7 Ways to Cut Packaging Costs Without Sacrificing Quality

How to Choose the Right Bottle and Closure for Your Beauty Product

How to Choose PCR Packaging for Lotions, Serums, and Hair Care in 2026

Low MOQ PCR Packaging: How Small Beauty Brands Go Sustainable

California SB 54 Is About to Change How Every Brand Buys Bottles

What Is Mono Material Packaging and Why It Matters for Your Next Order

Glass vs Plastic Packaging for Beauty Brands: How to Actually Decide

PCR Bottles vs Virgin Plastic: What Is the Actual Difference and Which Should You Buy?

How to Order Custom PCR Bottles: The Full Process from Design to Delivery

How to Read Bottle Dimensions: A Plain English Guide to Height, Diameter, Neck Finish, and Capacity

LuxePack New York 2026: What Small Brands Actually Need to Know Before May 6

How to Verify Recycled Content: A Guide to GRS, SCS, ISCC PLUS, and Other Certificates

Why We Refuse to Charge More for Recycled Plastic

Trigger Sprayers vs. Mini Triggers: A Guide to Choosing the Right Closure

SPC Impact 2026: What the Nashville Conference Means for Your PCR Packaging Strategy

PCR Packaging Market Projected to Reach $34.5 Billion by 2033

How to Choose PCR Packaging for Hand Soap, Body Wash, and Liquid Cleaners

Common Packaging Mistakes that can delay your Product Launch

Do Essential Oils Need Child Resistant Caps in California? SB 54 vs PPPA Explained

How to Choose the Right PCR Percentage for Your Packaging

How to Select the Right Bottle Size

Why Brands Are Switching to PCR Packaging in 2026

Should You Recycle Plastic Bottle Caps On or Off

Prepare for the California SB 54 Deadline

PCR Bottle Sizes A Complete Buyer's Guide

California SB 54 and Your Plastic Packaging

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

How to Choose the Right Bottle Volume

How to Choose the Right Bottle Color

How to Choose the Right Bottle Shape for Your Product

Is rPET Safe for Food and Beverage Packaging?

Food Grade PCR Plastic Explained

How to Transition to rPET Bottles Under California SB 54

Where to Recycle Plastic Bottles Near You (California Guide)