What we typed
Dyson V8 cordless vacuum with attachments in original box
Brand and model are what make an estimate tight. A one-word description falls back to a category average; a specific model gets a specific box.
Meta is blunt about it: prepaid shipping labels are offered by Marketplace to select sellers. Plenty of listings simply have no label button, and sellers reported losing the option through 2025. If yours is missing, nothing is broken — you buy your own label and send the buyer the tracking number. This page shows how to price that box before you agree a price with the buyer.
The example on this page is a live quote: 27 × 11 × 7 in at 10 lb, UPS Ground $26.70 on the route below.
On 2026-07-26 we typed “Dyson V8 cordless vacuum with attachments in original box” into the SMKlog calculator and asked for Miami, FL 33101 to Chicago, IL 60601 — a common Marketplace sale that is too big for what the old prepaid label allowed. Everything below is what came back — no scale, no tape measure, no edited numbers.
Dyson V8 cordless vacuum with attachments in original box
Brand and model are what make an estimate tight. A one-word description falls back to a category average; a specific model gets a specific box.
27 × 11 × 7 in
68 × 28 × 18 cm
Packed weight 10 lb (4.5 kg).
Miami, FL 33101
to Chicago, IL 60601
Both ZIPs are real and priced live — distance and zone move this price more than anything else on the page.
That box is 27 inches on its longest side. Meta names dimensions over 12 × 12 × 12 in as one of the things that can cost a seller access to USPS prepaid labels, so a parcel this size is exactly the kind that pushes you onto your own label. Buying it yourself is not a downgrade — it is the route that has no such exposure.
| Carrier | Service | Price | Estimated transit |
|---|---|---|---|
| UPS | Ground | $26.70 | 3 business days |
| USPS | Ground Advantage | $31.42 | 4 business days |
| FedEx | Ground | $38.05 | 3 business days |
Prices are what you pay at checkout — label plus SMKlog's charge, nothing added later. The cheapest option on this run was UPS Ground at $26.70, almost five dollars under USPS on the same box. Carriers reprice constantly and every route is different, so treat this as a worked example, not a price list: run your own ZIP codes for today's number.
Meta's own help centre says prepaid shipping labels are offered to select sellers. It does not publish the criteria, and sellers reported losing the option across 2025. Treat the label button as something that may or may not be there rather than something you can plan a listing around.
Meta says the only carriers behind it are UPS and USPS — FedEx is never in that comparison. Meta also warns it may remove access after a high volume of orders shipped on labels that understate weight or size, and for USPS labels it names boxes over 12 × 12 × 12 in. Your own label carries no such exposure and adds FedEx.
Pack the item, ask the buyer for their ZIP code, and quote the real box before you agree a shipping charge. Marketplace lets you set your own flat shipping amount or fold it into the item price — either way the number has to cover a real label, and the same parcel can swing twenty dollars between a neighbouring state and a cross-country lane.
Five steps, in the order that keeps you from losing money on the sale.
Price follows the finished box, not the item. Pack, tape, then measure. Guessing the box before you have built it is where most shipping losses start.
Distance is the single biggest lever on the price after box size. Ask before you name a shipping figure — a message costs nothing, a bad guess costs the margin on the sale.
Run one quote with the packed size, the weight, and both ZIP codes. Compare the ground services — on the example above the gap between the cheapest and dearest carrier was $11 for the same box.
Print the label, tape it flat over any old barcodes, and drop the parcel with the carrier. Do not reuse a box with a live label still on it — scanners read the wrong one.
Paste it into the Messenger thread the moment you have it. Marketplace has no shipment record of a label it did not sell, so the tracking number you send is the only proof of shipment either of you has.
Carriers reweigh and remeasure parcels in their own network and bill the difference if you declared low. Round weight up and use the full outer dimensions of the box — an honest number now is cheaper than a correction later.
Only to select sellers — that is Meta's own wording, and it does not publish the criteria. Many listings have no label option at all. If yours is missing, you buy your own label.
Pack the item, quote the real box, buy a carrier label, print it, hand the parcel over, and paste the tracking number into the Messenger thread. You can set your own shipping charge on the listing or build it into the price.
UPS and USPS only, so no FedEx. Meta may pull access after a high volume of shipments whose declared weight or size was wrong, and for USPS labels it names boxes over 12 × 12 × 12 in. Your own label has neither constraint.
Whatever a real label costs on that route. Get the buyer's ZIP code, quote the packed box once, and state a figure you can cover. The same parcel routinely differs by twenty dollars between a short lane and a cross-country one.
Box size decides it. USPS is usually strongest under about five pounds; on bulkier boxes UPS and FedEx ground often price below it. On the live example above UPS Ground came in at $26.70 against USPS at $31.42.
Not here. Describe the item, enter both ZIP codes, compare live USPS, UPS, and FedEx prices, and pay for the one you pick — no scale and no signup in between.