Size & Fit
What Size TV Stand for a 65-Inch TV? The 4 Numbers
What size TV stand for a 65-inch TV: the screen is 56.7 in wide, not 65 — plus foot span, usable top width and height, and the numbers to publish.
Field Notes
Tips and guides for adding size annotations to your product images
Compliance
Rectified vs Non-Rectified Tile: 3 Numbers on the Spec Card
Rectified vs non-rectified tile, decoded: the ISO 13006 work size on the box, the caliber trap, and the minimum grout joint each type can actually be laid at.
B2B & Suppliers
Office Chair Seat Height Standard: Four Types, Four Ranges
Office chair seat height standard by type: EN 1335-1 Table 2 values for Ax, A, B and C, why BIFMA sets none, and the 4 lines export buyers check.
Size & Fit
Countertop Overhang: Three Standards, Three Limits
Countertop overhang has three different published limits, and none is the 1.5 in everyone quotes. Front lip, cantilever, seating knee space and load, sourced.
B2B & Suppliers
FIBC Safety Factor: What 5:1 and 6:1 Actually Prove
FIBC safety factor is a design type-test ratio, not a strength rating. What 5:1, 6:1 and the 1.8 stacking factor really prove, and what the label must carry.
Compliance
Crib Mattress Fit Requirements: What Changed in 2026
Crib mattress fit requirements changed twice in 2026: new corner-gap testing from 3 May and a new crib standard from 1 August. The four numbers to publish.
Conversion
Product Dimensions Structured Data: Fields Nobody Fills In
Product dimensions structured data in schema.org, Google Merchant Center and the ChatGPT feed: every field, copy-paste JSON-LD, and the rule that breaks it.
Returns
Custom-Made Goods Return Rights: The Exemption You Can Lose
Custom-made goods return rights: the EU and UK 14-day withdrawal carve-out, the two conditions it turns on, and the disclosure slip that costs 12 months.
Photography
Perspective Distortion in Product Photos: It's Not the Lens
Perspective distortion in product photos comes from camera distance, not focal length. The arithmetic, a distance table, and why no lens adds scale.
Compliance
Digital Product Passport: What Ships When, 2026-2029
Digital Product Passport timeline by product group: battery passport 18 Feb 2027, steel 2026, textiles 2027, furniture 2028, plus the 18-24 month rule.
B2B & Suppliers
WLL vs MBL: 6 Labels That Get Slings Rejected
WLL vs MBL differ by a design factor of 2:1 to 7:1, so the wrong label overstates capacity by a multiple. Six rejected patterns and what to write instead.
Compliance
mAh to Wh: The Number Your Airline Reads Is Not on the Box
mAh to Wh conversion decides whether a battery flies. The 100 Wh and 160 Wh thresholds, PI 965/966/967, the 30% state-of-charge rule, and the voltage mistake.