Our pick for: Well-reviewed all-rounder

UPrinting review

Custom mailer boxes · prices checked Nov 2, 2026 · independent, not sponsored

The short answer

Close to the cheapest full-color price at most sizes, with thousands of solid reviews. A safe middle ground when you want a lower price than Packhelp without gambling on quality.

  • The cheapest full-color option at 6 × 4 × 3 (250 boxes).
  • 4.4 / 5 on Trustpilot from 3,328 reviews.
  • Smallest order: 50 boxes.

At a glance

Trustpilot rating4.4 / 5 (3,328 reviews)
PrintingFull color
Kraft (brown) boardYes, the same than white on average
Printing inside tooAbout 40% more per box
Smallest order50 boxes
Standard production8–12 business days
Rush4–8 days for about 72% more per box; not offered at 1,000+
Custom sizes priced onlineYes
One-time feesNone
Sizes measuredInside dimensions

What reviewers say: Reviewers praise fast delivery, accurate color and support that replaces damaged orders; minor complaints about small print marks and a clunky design tool.

How its prices compare

UPrinting's total for 250 boxes at each size we price, and where that ranks among the full-color options for the size.

SizeUPrintingRankCheapest full color
5 × 3 × 1.5$2632nd of 5Arka $228
6 × 5 × 2.25$5404th of 5Arka $450
6 × 4 × 3$5051st of 5—
7 × 5 × 3$6382nd of 5Vistaprint $600
8 × 6 × 3$7183rd of 5Arka $690
12 × 9 × 2$8234th of 6Arka $788
9.5 × 7.75 × 4$9833rd of 5Vistaprint $809
10 × 8 × 4$1,1532nd of 5Packlane $1,143
12 × 10 × 4$1,3754th of 5Vistaprint $1,080
14 × 10 × 4$1,4482nd of 5Arka $1,413

White board, printed outside (kraft for kraft-only suppliers), one-time fees included, shipping not.

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Ratings are from Trustpilot; the take and summary are our own reading of prices and recent reviews. UPrinting doesn't pay us anything.How we make money