Polyfoam Packers Corp.: Flexible end cap

Expand-A-Cap™ from Polyfoam Packers (Wheeling, IL) is an expandable, flexible end cap suitable for shipping electronic parts, computers, delicate instruments and fragile appliances.

Sonoco ThermoSafe
Oct 31, 2000
Pw 18288 S Pw 1100 012

Expands in 2 directions, length and height. Ships in a compact, flat format with ribs that easily flip out to form protective cushions. Three stock sizes are available. Selection is based on both dimensions and weight of products to be shipped.

Companies in this product
Sonoco ThermoSafe
Fill out the form below to request more information about Polyfoam Packers Corp.: Flexible end cap
Discover Leading Suppliers
Recommended
Discover Leading Suppliers
Get the PACK EXPO Innovations Reports First
Recommended
Get the PACK EXPO Innovations Reports First
Related Stories
Chalone Vineyard wine uses Regale's InPart3; non-scuffing partition system, which is in production now.
Protective/transport packaging
Molded pulp protective packaging breakthrough
Pw 18335 O 142 0110
Conveying & accumulation
Suppliers recognize packagers' training needs
Pw 18387 S Pw 0900 141
Protective/transport packaging
Paintball packs aim to protect
Improve Product Visibility Across Your Supply Chain
Sponsor Content
Improve Product Visibility Across Your Supply Chain
Machinery Basics
View More »
Maxresdefault 67c1de1c5078b
Thermoform/fill/seal
Video Explainer on Thermoforms and Vacuum Packs for Proteins
Package This guide cover featuring liquid filling equipment machinery and packaging solutions from Packaging World and ProSource 2026
Filling/capping, liquid & viscous
A Video Overview of Liquid Filling Machines
Vertical form/fill/seal packaging equipment guide cover with machinery illustration and 2026 branding
Form/fill/seal - vertical
What Can You Package on a Vertical Form/Fill/Seal Machine?
Packaging This guide cover featuring packaging inspection equipment overview with bottle and magnifying glass illustration
Inspect/detect/checkweigh/x-ray
Quality Control Masters: The Ultimate Guide to Packaging Inspection Equipment
View More »
Top Stories
Two professionals in a virtual meeting: Anne Marie Mohan from Packaging World and Ryan Lupberger from Cleancal wearing headphones
Package Design
Clean Cult Brings ’70s Flair to Paper-Based Soap Packaging
Clean Cult co-founder Ryan Lupberger shares how the company seized an opportunity to bring Castile soap back into the mainstream, using eye-catching graphics inspired by the category's popularity in the 1970s.
Erica's branded blue boxes and precision tools arranged on a gray surface
Recycling
Nail Tool Brand Trades Plastic Baggies for Paper Packets
Trivium Packaging’s Pacific Round bottle has a formed threaded neck and a tamper-evident closure, and it was designed in-house for the beverage market. The photochromic ink is printed as a single ink unit during decoration and responds mainly to UV-A radiation, so it shows little or no color change indoors.
Additives, coatings & inks
Photochromic Ink Turns Aluminum Bottles Pink in the Sun
Judicial gavel with scales of justice and law books against California state flag background
Recycling
CalRecycle Clarifies SB 54 Source-Reduction Requirements
Improve Product Visibility Across Your Supply Chain
Sponsor Content
Improve Product Visibility Across Your Supply Chain
Your liquid filling supplier shortlist starts here
30+ suppliers across sachets, pouches, bag-in-box, and stick packs. Free, no search required.
Read More
Your liquid filling supplier shortlist starts here
Need help with your packaging project?
We’ve done the legwork to identify and vet experienced packaging and processing consultants you can contact directly for your next project. Decades of combined experience in packaging line engineering, machinery selection, package and materials development, and food processing operations.
See your advisor options now.
Need help with your packaging project?
Products
Cagic industrial sorting and processing machine with control panel and conveyor system
AI-enabled X-ray Inspection Software Platform
At PACK EXPO, Eagle launches SimulTask 6, which offers food processors advanced image analysis, real-time production monitoring, automated reporting, and task-based inspection.
Flip-Top Closure for Dish Soap and Personal Care
MEK-Free Inks
More Products
In Print
Packaging World Packaging World Resource Guide 2027
Packaging World Resource Guide 2027
Packaging World October 2026
October 2026
Packaging World PEI Showcase 2026
PEI Showcase 2026
Packaging World September 2026
September 2026
SubscribeArchives
Downloads
View More »
Industrial robotic arms packaging and palletizing cardboard boxes in a modern warehouse automation facility
Case/Tray Packing
Pack It, Stack It, Ship It
Scientist in white lab coat examines Persil and Somat products in modern laboratory setting with equipment and windows.
Recycling
Both a Brand Owner & Adhesive Supplier, Henkel Designs for Recyclability
Cobot palletizing solutions comparison matrix displayed on laptop and tablet screens showing FANUC and multiple vendor options
Robotics
Cobot Palletizers: Complete Supplier Directory
Packaging World logo with researched list of flexible packaging filling machines for liquids displayed on laptop and tablet screens
Filling, Capping & Closing
Flexible Liquid Filling Machines: Supplier Directory
View More »