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WishThrift

How to Sell a Used Sleeping Bag

A used sleeping bag typically sells for £12 to £70, and on WishThrift it costs you nothing to list — no fee, no commission, so you keep the whole amount you agree. Sleeping bags are bought on temperature rating and sold on loft — a bag that has been stored compressed has lost the warmth it was rated for, whatever the label says.

The short version

  • Typical range: £12 – £70 — see the full sleeping bag value guide
  • What decides your price: condition, and how well you evidence it in photographs
  • Cost to sell here: nothing, at any price
  • Category: Sports & Outdoors

Before you photograph it

Ten minutes here is worth more than anything else you will do. Buyers are deciding between your listing and someone else’s, and preparation is what visibly separates the two.

  • Check the loft by laying it out flat and letting it recover for an hour. Flat, lifeless fill means lost warmth.
  • Note the comfort and limit temperature ratings from the label, and whether the fill is down or synthetic.
  • Wash or air it according to the label and test the full length of the zip, including any snag guard.

The photographs that sell a sleeping bag

Four photographs do almost all the work. Shoot in daylight, near a window, with the item against something plain — and do not use the flash, which flattens texture and hides exactly what buyers are trying to see.

  1. The bag laid out fully, whole
  2. The side profile showing loft after recovery
  3. The label with temperature ratings and fill type
  4. The zip and hood drawcord, plus any leaking fill, stain or tear

Photograph the flaws too. It feels counterproductive, but a listing that shows the worst of an item gets fewer questions, fewer withdrawn offers and fewer arguments at handover. Buyers who can see the damage stop imagining something worse.

Writing the title and description

Rating, fill and season: “3 Season Sleeping Bag, Comfort 0C, 700 Fill Down, Mummy”. Temperature rating is the search and down versus synthetic is the price distinction. Give the packed size and weight, which matter to anyone carrying it.

Then state these in the description, because a buyer who has to ask is a buyer who might not bother:

  • Comfort and limit temperature ratings from the label
  • Fill type and fill power if down, and total weight
  • Shape — mummy or rectangular — and maximum user height
  • Packed size, and loft condition described honestly

What buyers will actually ask

You will receive the same three messages about a sleeping bag. Answering them in the listing itself removes the back-and-forth, and answering them well when they do arrive is what turns an enquiry into a sale.

“Has it kept its loft?”

Lay it out, let it recover and photograph the profile. Loft is what insulates, and a compressed bag is not the bag on the label.

“Is it down or synthetic?”

Read the label. Down is lighter and warmer for its weight but useless wet; synthetic works damp. Buyers choose deliberately.

“Has it been washed?”

Say so, and with what. Sleeping bags are used against skin and buyers ask; down needs a specific wash and it is worth mentioning if you used one.

Pricing it so it actually sells

Start from the honest condition grade rather than the price you hope for. WishThrift listings use five grades — New with Tags, Like New, Good, Fair and For Parts — and what each grade means is worth reading before you choose, because grading up is the most expensive mistake sellers make. It does not raise the price; it produces a buyer who arrives expecting something else.

The sleeping bag value guide prices all five grades for this item. Pick your grade, take the figure, and if you sit between two grades price toward the lower one. Items priced honestly sell faster than items priced hopefully, and on a free platform there is no fee eating the difference anyway.

What you keep, compared

On a £41 sale — roughly the middle of the range for a sleeping bag — here is what the commission-charging platforms would take, and what you would keep on each:

Where you sell itFeeYou keep
WishThrift£0£41
Poshmark−£8£33
eBay−£6£35
Mercari−£4£37
Etsy−£3£38

Seller-side rates verified 26 Jul 2026 — Poshmark: 20% commission on sales of $15 and above; eBay: 13.6% final value fee, plus a per-order fee; Mercari: flat 10% selling fee; Etsy: 6.5% transaction fee, plus a listing fee and payment processing. Percentages are applied to the sterling figure above; the fixed per-order and processing charges those platforms add are quoted in their own currency and are not included here, so the real deductions are slightly larger. Full breakdown: marketplace selling fees compared.

Timing and getting it to the buyer

April to September is the main window, peaking before summer. Winter-rated bags sell in autumn to a smaller, more serious audience.

Post it loosely packed rather than heavily compressed, and tell the buyer to store it uncompressed. Long-term compression is what kills a sleeping bag.

WishThrift does not process payments or arrange delivery — you and the buyer agree both directly — so confirm payment has cleared before the item leaves your hands, and keep the conversation on the site so there is a record of what was agreed.

Ready to list it? It takes about two minutes, costs nothing, and there is no commission when it sells — create a free account or see how selling works.

Frequently asked questions

What is a used sleeping bag worth?

Typically £12 to £70, with quality down bags well above. See the sleeping bag value guide for the condition bands.

Do temperature ratings still apply to an old bag?

Only if the loft has been maintained. A bag stored compressed for years will not perform to its label, so describe the loft honestly rather than simply repeating the rating.

How should a sleeping bag be stored?

Loosely, in a large cotton sack rather than its compression bag. Worth telling the buyer — it is the single thing that determines how long the bag stays warm.

See also: what a used sleeping bag is worth · browse live sports & outdoors listings · condition grades explained.