Packaging Basics

How to Measure Dip Tube Length

To find the correct dip tube length, measure the bottle's height from the bottom to its shoulder. Subtract 2 millimeters for clearance. This final number is your target dip tube length. An accurate measurement ensures the pump dispenses nearly all the prod...

Queenie Fong

Mar 23, 2026•Four-minute read

Packaging BasicsBrand Guides

How to Order Custom PCR Bottles

Ordering custom Post.Consumer Recycled (PCR) bottles for your brand is a straightforward process. It involves five main stages. You will define the design, select the material, create the tooling, run production, and arrange delivery. This guide walks you ...

Queenie Fong

Mar 18, 2026•Three-minute read

Packaging Basics

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

How to Choose the Right Bottle and Closure for Your Beauty Product Packaging is not an afterthought. For a beauty or cosmetic brand, the bottle shape, closure type, and size you choose directly affect how customers use your product, how long it stays fres...

Queenie Fong

Mar 17, 2026•11-minute read

Packaging Basics

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 ...

Queenie Fong

Mar 16, 2026•Eight-minute read

Packaging Basics

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. ...

Queenie Fong

Mar 16, 2026•Six-minute read

Packaging Basics

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 ...

Queenie Fong

Mar 16, 2026•Three-minute read

Packaging Basics

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...

Queenie Fong

Mar 16, 2026•Five-minute read

Packaging Basics

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. ...

Queenie Fong

Mar 16, 2026•Five-minute read

Packaging Basics

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 ...

Queenie Fong

Mar 16, 2026•Five-minute read

Packaging Basics

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...

Queenie Fong

Mar 10, 2026•Six-minute read