12 1/8 x 9 1/4 x 4" White Corrugated Literature Mailers - Self-Seal, 50 Bundle length plus girth screen

Flag long-side and length-plus-girth values that may affect carrier handling checks. This page is generated from Packrift's top-1,000 exact-spec feed plus SKU/title/URL enrichment from the local product graph.

View on Packrift Open variant URL More Length Plus Girth Screen

Benchmark question

Flag long-side and length-plus-girth values that may affect carrier handling checks.

Source facts

SKU	M1294
Title	12 1/8 x 9 1/4 x 4" White Corrugated Literature Mailers - Self-Seal, 50 Bundle
Family	mailers
Dimensions	12.125" L x 9.25" W x 4" H
Material / Color	ECT-32-B Corrugated Cardboard / Oyster White
Pack count	50 ct
Weight	21.56 lb
Source quality	10/10
Canonical product	https://packrift.com/products/12-1-8-x-9-1-4-x-4-white-corrugated-literature-mailers-self-seal-bundle-of-50

Calculated benchmark

Longest listed side: 12.13 inches.
Length plus girth planning value: 38.63 inches.
Use current carrier rules for the final limit check.

Operational checklist

Use carrier-specific formulas and surcharge tables before final routing.
Escalate long-side outliers to shipping ops.
Document whether the measurement is package or product size.
Confirm opening, self-seal behavior, and usable depth before replacing a box.
Use added protection for rigid, sharp, or crush-sensitive products.

Quality guardrails

Static source snapshots are not live price, inventory, freight, or final substitute approval.
Missing dimensions or metrics are called out directly instead of guessed.
Every page links to the canonical Packrift product page and keeps Packrift.com as the commerce source of truth.