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How to Buy and Sell Used Kids' Items Safely

By Mia Chen · Published on November 03, 2026

Secondhand kids' gear can save money and keep good items in use. It also comes with a responsibility: federal law bans selling recalled children's products and products that do not meet federal safety rules, including lead and phthalate limits. That applies to used items as well as new ones. Here is how to buy and sell with confidence.

Check for recalls before you list or buy

Before listing a children's product, look it up by brand and model at cpsc.gov and saferproducts.gov. For car seats, check nhtsa.gov/recalls. Buyers should run the same check before using an item.

Items you should not resell

KidResize does not allow some items because of safety rules, including:

The full list is in section 11 of the KidResize Terms.

Write an honest listing

Use clear photos, show labels and any wear, and describe the item accurately. Use a brand name only if the item really is that brand.

Keep payment on the platform

On KidResize, payments are processed by Stripe, and seller payouts are released 3 days after delivery or pickup. If an item arrives not as described, the buyer can contact support within 3 days of delivery and we will help find a solution. Paying off-platform removes those protections.

Have gear your family no longer needs? List an item, or shop kids' items.

Have pre-loved kids' clothes to pass down?

List items in seconds and get paid through Stripe 3 days after delivery.

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