Corrugated Flute Types Explained: E, B, C, F-Flute (When to Use Each)

TL;DR: Corrugated board comes in five common flute sizes: F-flute (0.8mm) for premium retail, E-flute (1.5mm) for mailer boxes, B-flute (3mm) for retail shippers, C-flute (4mm) for standard shipping boxes, A-flute (5mm) for heavy-duty shipping. Choose by required compression strength, board thickness aesthetic, and print quality. Flute Type Comparison Table Flute Thickness Flutes per metre […]
Coffee & Tea Packaging: Bags, Tins & Boxes Compared (with Shelf-Life Data)

The container is the freshness of the product. Coffee oxidises in 30 days in the wrong packaging. Tea loses volatile aromatics in 60 days in unsealed boxes. Below: oxygen transmission rates, moisture barriers, and shelf-life data for the three formats — plus when to use each. Shelf-Life Table by Format Format O2 transmission rate Moisture […]
Inserts, Dividers & Foam: How to Spec Internal Packaging That Doesn’t Crush Your Product

The outer box is the brand statement. The insert is what stops the product arriving in pieces. Below: when foam is overkill, when paper pulp wins, and how drop testing changes your spec from “this looks fine” to “this passes ISTA 6 protocol”. Insert Materials Compared Material Cost / unit (1k qty) Drop-test rating Sustainability […]
Mailer Bag vs Mailer Box: Cost, Branding & Shipping Damage Compared

The mailer choice is bigger than aesthetics — it drives shipping cost, damage rates, sustainability score, and brand perception. Below: poly mailer vs paper mailer vs mailer box compared on cost per unit, damage data, and category fit. 3-Way Cost Comparison (China FOB to US/UK 3PL, USD) Volume Poly mailer (LDPE) Paper mailer (kraft) Custom […]
Kraft vs White vs Black Packaging: Which Color Sells Better in 2026?

Box colour is a category signal before it is an aesthetic choice. Kraft says “natural / artisan”. White says “clean / modern”. Black says “premium / serious”. Picking the wrong one cheapens — or oversells — your brand. Below: what consumer studies actually show about each, with the categories where each one wins. Colour × […]
Compostable vs Recyclable vs Biodegradable Packaging: What’s Actually Different?

Definitions box Recyclable: Material can be collected, sorted, and reprocessed into new material via existing waste infrastructure. Path: kerbside bin → MRF → mill. Compostable: Material breaks down into water, CO2, and biomass within a defined time in a defined composting environment (home or industrial), leaving no toxic residue. Certified under standards like EN 13432, […]
Is Kraft Paper Actually More Eco-Friendly Than Coated Cardboard?

TL;DR: Kraft paper is generally more eco-friendly than coated cardboard — it uses fewer chemicals, is unbleached, biodegrades faster, and is more easily recycled. But “eco-friendly” depends on the full lifecycle: a coated board with FSC certification and water-based coatings can be more sustainable than uncoated kraft made from virgin (non-recycled) pulp. What Is Kraft […]
What Is GSM in Packaging Material?

TL;DR: GSM stands for Grams per Square Metre — it measures the weight and roughly the thickness of paper or board. Higher GSM = heavier, stiffer material. Retail folding cartons use 300-400 GSM; luxury rigid box boards use 1,200-2,000 GSM greyboard. GSM Definition GSM (Grams per Square Metre, also written g/m2) is the standard measurement […]
Innovative and Practical Marketing Strategies for Vitamin Packaging

This article discusses how to increase your sales from a brand marketing perspective through Vitamin packaging. When packaging in the market is highly homogenized, how can we make our products stand out? I believe packaging is the most cost-effective and commonly used optimization method. Product ingredients are not easily perceived by customers, but excellent packaging […]
Top 10 Best Packaging Sleeves

Packaging sleeves—such as belly band packaging and coffee sleeves—are one of the most versatile and cost-effective packaging solutions for modern businesses. They offer an elegant way to add branding, instructions, or a premium finish to your product without fully enclosing it. Used across industries like food & beverage, cosmetics, publishing, apparel, and retail, sleeves enhance […]
















































































































































