Compliance
SHEIN Product Image Requirements: 7 Mistakes to Fix
SHEIN product image requirements in one place: file size, format, square vs portrait sizes, and the seven mistakes that get listings rejected.
Field Notes
Tips and guides for adding size annotations to your product images
Compliance
eBay Product Image Requirements: Sizes, Formats, Watermarks
eBay product image requirements decoded: the 500 px minimum, 1600 px sweet spot, 24-photo limit, accepted formats, and the watermark rule that buries listings.
Photography
How to Change a Product Photo Background Without Altering It
Change a product photo background without altering the product: cutout vs generative AI, the Amazon white-background rule, and a 6-point fidelity check.
Conversion
Product Breakdown vs Exploded View: What Buyers Need
Product breakdown vs exploded view: what each drawing shows, which buyer question it answers, and a pre-send checklist for export suppliers.
B2B & Suppliers
QR Code Product Sheet for Trade Shows: What to Include
A QR code product sheet turns one scan at a trade show into a buyer-ready spec page. What to include, how to size the code, and a pre-show checklist.
Compliance
Amazon Product Image Requirements in 2026: The Complete Seller's Checklist
Complete guide to Amazon product image specifications including main image white background rules, secondary image best practices, size chart guidelines, common rejection reasons, and a pre-upload checklist.
Conversion
3D Product Viewer vs 360 Photos: Which One to Use
3D product viewer vs 360 photos: what each format answers, the GLB and USDZ files behind them, and how to choose before your next product listing.
B2B & Suppliers
Wooden Crate Dimensions for Export: Inner vs Outer
Wooden crate dimensions for export are quoted two ways — inner and outer. Get packing clearance, plywood thickness and ISPM 15 right before you quote.
B2B & Suppliers
ISO Tank Container Dimensions: Why 26,000 L Never Ships Full
ISO tank container dimensions explained: the standard 20 ft frame, 21,000–26,000 L shells, T-codes, and why weight — not volume — caps a legal load.
B2B & Suppliers
Mill Test Certificate 3.1 vs 2.2: Who Signs It Matters
A mill test certificate 3.1 vs 2.2 comes down to one word — specific. Here's who runs the test, who signs it, and which type your order needs.
Size & Fit
Drywall Sheet Sizes: Why '1/2 Inch' Isn't Half an Inch
Drywall sheet sizes are not one number: 4x8 is 1220x2440 mm, '1/2 inch' is nominal 12.7 mm vs EN 12.5 mm, and thickness sets framing spacing.
B2B & Suppliers
IPE vs HEA vs HEB: Why the Number Isn't the Size
IPE vs HEA vs HEB: the number is not the size. Exact IPE 200 vs HEA 200 dimensions and how US, UK and Indian buyers name the same steel beam.