--- title: "Mercari free 1 oz envelope labels for cards, to Jan 4, 2027" description: "Mercari: free 1 oz First-Class Envelope labels for trading cards through Jan 4, 2027. Effective Sep 17, 2026. Sourced, with the per-sale effect." canonical: https://resellerindex.com/changes/mercari/2026-09-17-mercari-free-1oz-envelopes/ last_updated: 2026-10-19 publisher: "The Reseller Index" license: "CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)" --- [Change tracker](https://resellerindex.com/changes/) / [Mercari](https://resellerindex.com/changes/mercari/) # Mercari: free 1 oz First-Class Envelope labels for trading cards through Jan 4, 2027 1. [Mercari](https://resellerindex.com/changes/mercari/) Postage Effective Sep 17, 2026 · until Jan 4, 2027 · announced Sep 17, 2026 From September 17, 2026 (12 a.m. PT) to January 4, 2027 (11:59 p.m. PT), Mercari's prepaid First-Class Envelope label costs $0 for trading cards and paper collectibles up to 1 oz, and 49¢ for 2-3 oz (the 49¢ rate has run since February 16, 2026). Mercari's regular envelope prices are $0.74, $1.03 and $1.32 for 1, 2 and 3 oz. The envelope must be 5 to 11 1/2 in. long, 3 1/2 to 6 1/8 in. wide and up to 1/4 in. thick. New listings could be opted in from September 17 on the latest app version, and Mercari said existing listings would be opted in starting September 30; its promo terms say an existing listing qualifies when you open it, select the promotional rate and save it, and changes made through Promote don't count. Your net on a $10 / $25 / $50 sale: +$0.49 / +$0.49 / +$0.49 If you pay for a 1 oz Mercari First-Class Envelope label: $0 instead of the 49¢ promo price before Sept 17 (+$0.74 against the regular price). If the buyer pays shipping, Mercari's 10% fee on that shipping falls by about $0.05. Source: [Mercari help: Shipping change announcements (Sep 17, 2026)](https://www.mercari.com/us/help_center/article/485/) · [Mercari help: Fees on Mercari (envelope rates)](https://www.mercari.com/us/help_center/article/169/) · [Mercari: limited-time shipping deals (promo terms)](https://lp.us.mercari.com/shippingpromotion) · verified Oct 19, 2026 Get Mercari changes in the free weekly email: https://resellerindex.com/subscribe/ ## Cite this The Reseller Index change tracker, "Mercari: free 1 oz First-Class Envelope labels for trading cards through Jan 4, 2027," https://resellerindex.com/changes/mercari/2026-09-17-mercari-free-1oz-envelopes/, verified Oct 19, 2026. Free to reuse with a link (CC BY 4.0). First published on the tracker Oct 19, 2026. ## Related - [How to ship trading cards](https://resellerindex.com/guides/how-to-ship-trading-cards/) - [Mercari fee calculator](https://resellerindex.com/calculators/mercari-fee-calculator/) ## More Mercari changes - [Mercari Ground Advantage labels go up: 1 lb $7.48 to $7.99](https://resellerindex.com/changes/mercari/2026-10-19-mercari-label-rates-up/) - [Mercari Media Mail labels get cheaper: 1 lb $4.99 to $4.47](https://resellerindex.com/changes/mercari/2026-10-19-mercari-media-mail-labels-down/) - [Mercari splits USPS's $50 hazmat fee: sellers pay $25](https://resellerindex.com/changes/mercari/2026-09-01-mercari-hazmat-fee-split/) - [Mercari passes USPS's temporary 8% increase into Ground Advantage and Priority Mail labels](https://resellerindex.com/changes/mercari/2026-05-07-mercari-labels-usps-8-percent/) [All Mercari changes](https://resellerindex.com/changes/mercari/) · [Every platform](https://resellerindex.com/changes/) --- The Reseller Index How this site is made: an AI model reads the official sources, writes the pages and does the math. Before an update goes live, scripts check every page against our data files for the key postage prices, platform fees and dates we track, and check quotes on our USPS pages and most fee and reference pages against saved copies of their sources (our tax and law pages aren't covered yet). A full-time reseller owns and runs the site. No page is marked as read and checked by the owner yet; when one is, it will say so, with the date. Our pages link the official sources they use, or the pages that do, and show when we checked them. Spot an error? [Tell us](https://resellerindex.com/corrections/) and we'll fix it in the public corrections log. General information, not tax, legal or financial advice. Not affiliated with or endorsed by eBay, Amazon, Mercari, Poshmark, Depop, Whatnot, Etsy, TikTok Shop, USPS, the IRS or the software companies whose prices we track; their names belong to them. Each page shows the date its own rates were last checked. Sponsored placements are always labeled "Sponsored". © 2026 The Reseller Index. Visits are counted by our own server and by Cloudflare Web Analytics. No ad trackers or ad cookies.