11x13x4" Expansion Poly Mailers 2.5 Mil - Self-Seal, Tear-Proof, Case of 100 buyer comparison prompt

Give procurement a structured comparison prompt against nearby same-family SKUs. This page is generated from Packrift's top-1,000 exact-spec feed plus SKU/title/URL enrichment from the local product graph.

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Benchmark question

Give procurement a structured comparison prompt against nearby same-family SKUs.

Source facts

SKU	EPM11134
Title	11x13x4" Expansion Poly Mailers 2.5 Mil - Self-Seal, Tear-Proof, Case of 100
Family	mailers
Dimensions	11" L x 13" W x 4" H
Material / Color	2.5 Mil Polyethylene with Silver Inner Lining / White Exterior
Pack count	100 ct
Weight	3.64 lb
Source quality	10/10
Canonical product	https://packrift.com/products/11x13x4-expansion-poly-mailers-2-5-mil-self-seal-tear-proof-case-of-100

Calculated benchmark

Compare this SKU to same-family alternatives by dimensions, material, closure, pack count, weight, and product URL.
Current dimensions: 11" L x 13" W x 4" H.
Current pack count: 100.
Current material: 2.5 Mil Polyethylene with Silver Inner Lining.

Operational checklist

Compare only same-purpose alternatives.
Document what changed and what stayed the same.
Escalate material, closure, or size mismatches.
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.